25157322 has 24 divisors (see below), whose sum is σ = 55776864. Its totient is φ = 8190504.

The previous prime is 25157317. The next prime is 25157323. The reversal of 25157322 is 22375152.

It is not an unprimeable number, because it can be changed into a prime (25157323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15478 + ... + 17025.

It is an arithmetic number, because the mean of its divisors is an integer number (2324036).

Almost surely, 2^25157322 is an apocalyptic number.

25157322 is an abundant number, since it is smaller than the sum of its proper divisors (30619542).

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

25157322 is a wasteful number, since it uses less digits than its factorization.

25157322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32554 (or 32551 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 25157322 is about 5015.7075273584. The cubic root of 25157322 is about 293.0138414798.

The spelling of 25157322 in words is "twenty-five million, one hundred fifty-seven thousand, three hundred twenty-two".