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Properties of the Number 22238

Twenty-Two Thousand Two Hundred Thirty-Eight

Basics

Value: 22237 → 22238 → 22239

Parity: even

Prime: No

Previous Prime: 22229

Next Prime: 22247

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 11119

Divisors: 1, 2, 11119, 22238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011011011110

Octal: 53336

Duodecimal: 10A52

Hexadecimal: 56de

Square: 494528644

Square Root: 149.12410938543775

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Coefficients of replicable function number 12c. A58491
Triangle read by rows: T(m,n) (m >= n >= 1) = number of edges formed by drawing the line segments connecting any two of the (m+1) X (n+1) lattice points in an m X n grid of squares and extending them to the boundary of the grid. A333283
McKay-Thompson series of class 12c for the Monster group with a(0) = -4. A186930
McKay-Thompson series of class 12c for the Monster group with a(0) = 4. A187045
Position where 10n-1 occurs in the Kaprekar sequence A006886. A193992
McKay-Thompson series of class 24a for Monster. A58584
Numbers k such that k divides 1 + ∑j=1..k prime(j)13. A233349
Triangle of T(n,k) where T(n,k)/(n-1)! is probability of player k out of n players winning a game of "Elimination": rules are that player 1 chooses one of the others at random to be eliminated, then player 2 (or 3 if player 2 has been eliminated) chooses somebody else at random from the survivors to be eliminated next, then the next surviving player chooses and so on round the circle until all but one have been eliminated. A71818
Indices of the triangular numbers in A189475. A358417
Number of chordless cycles in the n-triangular honeycomb acute knight graph. A370227