Properties of the Number -2228224

Two Hundred Twenty-Eight Thousand Two Hundred Twenty-Four

Basics

Value: -2228225 → -2228224 → -2228223

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ¹⁷ × 17

Divisors: 1, 2, 4, 8, 16, 17, 32, 34, 64, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1000100000000000000000

Octal: -10400000

Duodecimal: -8B5594

Hexadecimal: -220000

Square: 4964982194176

Square Root: 1492.723685080397

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

a(n) = n·2ⁿ. A36289

Products of exactly 18 primes (generalization of semiprimes). A69279

Triangle of coefficients of Chebyshev's U(n,2·x-1) polynomials (exponents of·in decreasing order). A53125

a(n) = n-th n-almost prime. A101695

Sequence associated with a(n) = 2·a(n-1) + k*(k+2)*a(n-2). A80929

a(n) = 17·2ⁿ. A110287

Triangle T, read by rows, where column 0 of T^m equals C(m·2^n-1, n) as n=0,1,2,3,..., for all m. A136467

Numbers k such that φ(k) is a perfect tenth power. A78170

a(i) = the number of occurrences of 9's in the palindromic compositions of n=2·i-1 = the number of occurrences of 10's in the palindromic compositions of n=2·i. A79862

Expansion of (1 - 4·x + 6·x²)/(1 - 2·x)². A97064