Properties of the Number 22239

Twenty-Two Thousand Two Hundred Thirty-Nine

Basics

Value: 22238 → 22239 → 22240

Parity: odd

Prime: No

Previous Prime: 22229

Next Prime: 22247

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 353

Divisors: 1, 3, 7, 9, 21, 63, 353, 1059, 2471, 3177

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011011011111

Octal: 53337

Duodecimal: 10A53

Hexadecimal: 56df

Square: 494573121

Square Root: 149.1274622596388

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

Number of multigraphs with loops on 4 nodes with n edges. A50532

Triangle, read by rows, where row n equals row n of matrix power A132844ⁿ for n>=0, where triangle A132844 is defined by: A132844(n,k) = T( [(n+k)/2], k) for n>=k>=0. A132845

Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w³<x³+y³. A211801

Expansion of ∏_k>=1 (1 + x^2·k-1)^k*(3·k-1/2)*(1 + x^2·k)^k*(3·k+1/2). A294839

a(n) = number of isogeny classes of abelian surfaces over the finite field of order prime(n). A362198

A transform of the Motzkin numbers. A157143

Numbers k with digits in nondecreasing order and each digit greater than 1 such that the iterated product of digits of k is a prime. A333955

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 478", based on the 5-celled von Neumann neighborhood. A272453

Numbers without a digit 1 with digits in nondecreasing order and the product of digits is a power of 6. A304392

Number of permutations of length n avoiding the pattern 1324 and with 1 appearing before n. A372310