Properties of the Number 22628

Twenty-Two Thousand Six Hundred Twenty-Eight

Basics

Value: 22627 → 22628 → 22629

Parity: even

Prime: No

Previous Prime: 22621

Next Prime: 22637

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5657

Divisors: 1, 2, 4, 5657, 11314, 22628

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100001100100

Octal: 54144

Duodecimal: 11118

Hexadecimal: 5864

Square: 512026384

Square Root: 150.42606157179014

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

Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square grid such that the picked positions have a point symmetry but no line symmetry. A292155

Numbers that are the sum of eight fourth powers in ten or more ways. A345585

Convolution square of A003114. A145467

Numbers k such that the last 9 digits of the k-th Lucas number are 1-9 pandigital. A216488

Expansion of 1/((1-x)*(1-5·x)*(1-8·x)*(1-11·x)). A22628

Squares s such that first m and last m digits of the binary representation are perfect positive squares written in binary, and m = floor(binaryLength(s)/2), where binaryLength(s) = A070939(s) is the binary length of s. A226836