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Properties of the Number -22230

Twenty-Two Thousand Two Hundred Thirty

Basics

Value: -22231 → -22230 → -22229

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 2 × 5 × 13 × 19

Divisors: 1, 2, 3, 5, 6, 9, 10, 13, 15, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011011010110

Octal: -53326

Duodecimal: -10A46

Hexadecimal: -56d6

Square: 494172900

Square Root: 149.09728367747013

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

a(n) = 9·binomial(8·n + 9,n)/(8·n + 9). A234467
Number of ways to write n as an ordered sum of 10 squares of positive integers. A340947
Period of the Lucas 4-step sequence A073817 mod n. A106295
Number of ways to partition the set of vertices of a convex {n+8}-gon into 3 non-intersecting polygons. A350116
a(n) = n*(7·n2 + 15·n + 8)/6. A245301
Numbers k such that k/(3·k - σ(k)) is a positive integer. A364977
Final members of groups in A076105. A76102
Limitn->oo Mn as a vector, where M is A173108 as an infinite lower triangular matrix. A173110
Numbers such that the sum of the largest and the smallest prime divisor equals the sum of the other distinct prime divisors. A199745
Triangle of coefficients of polynomials v(n,x) jointly generated with A207608; see Formula section. A207609