Properties of the Number 22722

Twenty-Two Thousand Seven Hundred Twenty-Two

Basics

Value: 22721 → 22722 → 22723

Parity: even

Prime: No

Previous Prime: 22721

Next Prime: 22727

Digit Sum: 15

Digital Root: 6

Palindrome: Yes

Factorization: 2 × 3 × 7 × 541

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 541, 1082

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100011000010

Octal: 54302

Duodecimal: 11196

Hexadecimal: 58c2

Square: 516289284

Square Root: 150.73818361649447

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 n such that Bernoulli number B_n has denominator 1806. A272139

Palindromic in bases 10 and 20. A250408

Numbers k such that 3^k + 10 is prime. A217137

Palindromes that are divisible by 6. A45641

Theorems from propositional calculus, translated into decimal digits. A101273

Expansion of e.g.f. (1/x) * Series_Reversion( x*(1 - x²*(exp(x) - 1)) ). A370989

Numbers with digits 2 and 7 only. A284921

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 A384575. A384583

Triangular array, inverse of 2·P - I, where P is Pascal's triangle and I is the identity matrix. A162312

Palindromes with exactly 4 distinct prime factors. A46394