25228492 has 24 divisors (see below), whose sum is σ = 46267200. Its totient is φ = 12020736.

The previous prime is 25228481. The next prime is 25228507. The reversal of 25228492 is 29482252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7788 + ... + 10540.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 2^25228492 is an apocalyptic number.

It is an amenable number.

25228492 is a deficient number, since it is larger than the sum of its proper divisors (21038708).

25228492 is a wasteful number, since it uses less digits than its factorization.

25228492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 2863 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 25228492 is about 5022.7972286366. The cubic root of 25228492 is about 293.2898931310.

The spelling of 25228492 in words is "twenty-five million, two hundred twenty-eight thousand, four hundred ninety-two".