2257155250 has 32 divisors (see below), whose sum is σ = 4829026176. Its totient is φ = 773881200.

The previous prime is 2257155221. The next prime is 2257155319. The reversal of 2257155250 is 525517522.

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, 643152 + ... + 646651.

It is an arithmetic number, because the mean of its divisors is an integer number (150907068).

Almost surely, 2^2257155250 is an apocalyptic number.

2257155250 is an abundant number, since it is smaller than the sum of its proper divisors (2571870926).

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

2257155250 is a wasteful number, since it uses less digits than its factorization.

2257155250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289827 (or 1289817 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 34.

The square root of 2257155250 is about 47509.5279917618. The cubic root of 2257155250 is about 1311.7582687361.

The spelling of 2257155250 in words is "two billion, two hundred fifty-seven million, one hundred fifty-five thousand, two hundred fifty".