Properties of the Number 22522

Twenty-Two Thousand Five Hundred Twenty-Two

Basics

Value: 22521 → 22522 → 22523

Parity: even

Prime: No

Previous Prime: 22511

Next Prime: 22531

Digit Sum: 13

Digital Root: 4

Palindrome: Yes

Factorization: 2 × 11261

Divisors: 1, 2, 11261, 22522

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101011111111010

Octal: 53772

Duodecimal: 1104A

Hexadecimal: 57fa

Square: 507240484

Square Root: 150.07331541616585

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 the digits 2 and 5, that are both curved and straight. A72961

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00010101 01010101 or 01010111. A260138

Palindromic Smith numbers. A98834

Decimal Goedelization of antitheorems from propositional calculus, in Richard C. Schroeppel's metatheory of A101273. A100200

n-th largest palindrome whose digit sum is n. A82265

Lexicographically earliest sequence of increasing numbers whose digits satisfy the "Fractal Jump" rule using only the digits 2 and 5: keep the first digit "d" of the sequence, then jump over the next "d" digits and keep the digit "e" on which you have landed. Jump now over the next "e" digits and keep the digit "f" on which you have landed, etc. The succession "def..." of kept digits is the sequence itself. A105647

Palindromic primes in base 7 (written in base 7). A117702

a(n) = 2*(10²ⁿ⁺¹-1)/9 + 3·10ⁿ. A332125

Numbers having four 2's in base 10. A43500

Number of anti-divisors of n (A066272) sets a record. A73638