25255228 has 12 divisors (see below), whose sum is σ = 44534952. Its totient is φ = 12530960.

The previous prime is 25255213. The next prime is 25255247. The reversal of 25255228 is 82255252.

It is a self number, because there is not a number n which added to its sum of digits gives 25255228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23575 + ... + 24622.

It is an arithmetic number, because the mean of its divisors is an integer number (3711246).

Almost surely, 2^25255228 is an apocalyptic number.

It is an amenable number.

25255228 is a deficient number, since it is larger than the sum of its proper divisors (19279724).

25255228 is a wasteful number, since it uses less digits than its factorization.

25255228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48332 (or 48330 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 25255228 is about 5025.4579890792. The cubic root of 25255228 is about 293.3934616179.

The spelling of 25255228 in words is "twenty-five million, two hundred fifty-five thousand, two hundred twenty-eight".