Properties of the Number 22232

Twenty-Two Thousand Two Hundred Thirty-Two

Basics

Value: 22231 → 22232 → 22233

Parity: even

Prime: No

Previous Prime: 22229

Next Prime: 22247

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 7 × 397

Divisors: 1, 2, 4, 7, 8, 14, 28, 56, 397, 794

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011011011000

Octal: 53330

Duodecimal: 10A48

Hexadecimal: 56d8

Square: 494261824

Square Root: 149.10399055692642

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

Numbers using only digits 2 and 3. A32810

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically. A207752

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically. A209650

Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 7 sites wide. A58366

Every suffix prime and no 0 digits in base 5 (written in base 5). A24780

G.f. satisfies: A(x) = 1 + ∑_n>=1 (A(x)ⁿ + A(x)^-n) * x^n². A190791

The 300-degree spoke (or ray) of a hexagonal spiral of Ulam. A244804

Numbers consisting only of digits 2 and 3, ordered according to the value obtained when the digits are interspersed with (right-associative) ^ operators. A248907

Numbers m such that if x = σ(m)-φ(m)-τ(m)-m then m = σ(x)-φ(x)-τ(x)-x. A238230

Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape X; triangle T(n,k), n>=0, read by rows. A247711