Properties of the Number 22450

Twenty-Two Thousand Four Hundred Fifty

Basics

Value: 22449 → 22450 → 22451

Parity: even

Prime: No

Previous Prime: 22447

Next Prime: 22453

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 ² × 449

Divisors: 1, 2, 5, 10, 25, 50, 449, 898, 2245, 4490

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011110110010

Octal: 53662

Duodecimal: 10BAA

Hexadecimal: 57b2

Square: 504002500

Square Root: 149.83324063771698

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 k such that k and k² have the same set of digits. A29793

Expansion of ∏_k>=1 1/((1 - x^2·k-1)^k*(3·k-1/2)*(1 - x^2·k)^k*(3·k+1/2)). A294591

Expansion of e.g.f. (1/x) * Series_Reversion( x/(1 + x·cosh(x))² ). A381449

Numbers k in which the digits of k² appear. A29774

Numbers k such that (k!! + (k+1)!! - 1)/2 is prime. A76209

Numbers k such that k and k² use only the digits 0, 2, 3, 4 and 5. A136882

Numbers k such that k and k² use only the digits 0, 2, 4 and 5. A136897

Numbers k such that k and k² use only the digits 0, 2, 4, 5 and 6. A136898

Numbers k such that k and k² use only the digits 0, 2, 4, 5 and 7. A136899

Numbers k such that k and k² use only the digits 0, 2, 4, 5 and 8. A136900