2256996522 has 32 divisors (see below), whose sum is σ = 5057452224. Its totient is φ = 665452800.

The previous prime is 2256996481. The next prime is 2256996569.

2256996522 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459679 + ... + 464562.

It is an arithmetic number, because the mean of its divisors is an integer number (158045382).

Almost surely, 2^2256996522 is an apocalyptic number.

2256996522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2256996522 is an abundant number, since it is smaller than the sum of its proper divisors (2800455702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256996522 is a wasteful number, since it uses less digits than its factorization.

2256996522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924294.

The product of its digits is 1166400, while the sum is 48.

The square root of 2256996522 is about 47507.8574764217. The cubic root of 2256996522 is about 1311.7275194634.

It can be divided in two parts, 225699 and 6522, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 2256996522 in words is "two billion, two hundred fifty-six million, nine hundred ninety-six thousand, five hundred twenty-two".