Properties of the Number 22630

Twenty-Two Thousand Six Hundred Thirty

Basics

Value: 22629 → 22630 → 22631

Parity: even

Prime: No

Previous Prime: 22621

Next Prime: 22637

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 31 × 73

Divisors: 1, 2, 5, 10, 31, 62, 73, 146, 155, 310

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100001100110

Octal: 54146

Duodecimal: 1111A

Hexadecimal: 5866

Square: 512116900

Square Root: 150.43270920913443

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

Total number of parts in all partitions of n into odd parts. A67588

Numbers n such that n² + 1, n² + 3, n² + 7 and n² + 9 are all primes. A57015

Products of four distinct primes between sphenic numbers (products of 3 distinct primes). A351382

a(n) = n*(6·n² - 7·n + 3)/2. A71230

Number of 0..n arrays x(0..3) of 4 elements without any interior element greater than both neighbors or less than both neighbors. A200872

G.f.: ∑_k>=0 x^{2^k} / (1 - x^{2^k})⁴. A338046

Expansion of ∏_m>=1 (1 + m·q^m)². A22630

Numbers k such that the expansion of the inverse of the k-th cyclotomic polynomial has a coefficient other than -1, 0 or 1. A344673