2257312 has 24 divisors (see below), whose sum is σ = 4638816. Its totient is φ = 1079232.

The previous prime is 2257309. The next prime is 2257313. The reversal of 2257312 is 2137522.

It is not an unprimeable number, because it can be changed into a prime (2257313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (193284).

2^2257312 is an apocalyptic number.

It is an amenable number.

2257312 is an abundant number, since it is smaller than the sum of its proper divisors (2381504).

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

2257312 is a wasteful number, since it uses less digits than its factorization.

2257312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100 (or 3092 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 2257312 is about 1502.4353563465. The cubic root of 2257312 is about 131.1788633410.

The spelling of 2257312 in words is "two million, two hundred fifty-seven thousand, three hundred twelve".