Properties of the Number -222556

Two Hundred Twenty-Two Thousand Five Hundred Fifty-Six

Basics

Value: -222557 → -222556 → -222555

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 55639

Divisors: 1, 2, 4, 55639, 111278, 222556

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110010101011100

Octal: -662534

Duodecimal: -A8964

Hexadecimal: -3655c

Square: 49531173136

Square Root: 471.75841274957673

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 symmetric foldings of a strip of n blank stamps. A1010

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A381572. A381571

G.f. A(x) satisfies A(x) = 1/(1 - x·A(x·A(x)))². A381572