Properties of the Number -221122

Two Hundred Twenty-One Thousand One Hundred Twenty-Two

Basics

Value: -221123 → -221122 → -221121

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: Yes

Factorization: 2 × 11 × 19 × 23 ²

Divisors: 1, 2, 11, 19, 22, 23, 38, 46, 209, 253

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101111111000010

Octal: -657702

Duodecimal: -A7B6A

Hexadecimal: -35fc2

Square: 48894938884

Square Root: 470.2361109060001

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

Dates after Jan 01 00 in chronological order which are palindromic when they are written in the format DD.MM.YY. The terms are listed as numbers (without the dots). Leading zeros of the terms are suppressed. A210888

Palindromes obtained as the concatenation of three successive terms of A091789. A91790

List of privileged words over the alphabet {1,2}. A235609

Palindromes which are a concatenation of three palindromes, each of which has at least 2 digits. A368020

Numbers for which the sum of reciprocals of square of digits is an integer. A182452