2256155810 has 16 divisors (see below), whose sum is σ = 4064623416. Its totient is φ = 901675008.

The previous prime is 2256155809. The next prime is 2256155849. The reversal of 2256155810 is 185516522.

It can be written as a sum of positive squares in 4 ways, for example, as 1411730329 + 844425481 = 37573^2 + 29059^2 .

It is a super-2 number, since 2×2256155810² = 10180478077993512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86309 + ... + 109368.

Almost surely, 2^2256155810 is an apocalyptic number.

2256155810 is a deficient number, since it is larger than the sum of its proper divisors (1808467606).

2256155810 is a wasteful number, since it uses less digits than its factorization.

2256155810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196837.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 2256155810 is about 47499.0085159680. The cubic root of 2256155810 is about 1311.5646301235.

The spelling of 2256155810 in words is "two billion, two hundred fifty-six million, one hundred fifty-five thousand, eight hundred ten".