Properties of the Number -225522

Two Hundred Twenty-Five Thousand Five Hundred Twenty-Two

Basics

Value: -225523 → -225522 → -225521

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: Yes

Factorization: 2 × 3 ² × 11 × 17 × 67

Divisors: 1, 2, 3, 6, 9, 11, 17, 18, 22, 33

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111000011110010

Octal: -670362

Duodecimal: -AA616

Hexadecimal: -370f2

Square: 50860172484

Square Root: 474.89156657072783

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

Palindromes whose squares belong to A066531. A117281

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

Palindromes with exactly 5 distinct prime divisors. A373465

Six-digit exclusionary cubes: 6-digit numbers whose cubes comprise digits none of which appears in the number itself. A195363

Numbers whose square is the product of a number and its reverse. A207373

Number of 3Xn 0..1 arrays with every element equal to 0, 1, 2 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302416

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