25022564 has 24 divisors (see below), whose sum is σ = 50151360. Its totient is φ = 10701216.

The previous prime is 25022533. The next prime is 25022573. The reversal of 25022564 is 46522052.

It is a super-2 number, since 2×25022564² = 1252257418268192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24047 + ... + 25065.

It is an arithmetic number, because the mean of its divisors is an integer number (2089640).

Almost surely, 2^25022564 is an apocalyptic number.

It is an amenable number.

25022564 is an abundant number, since it is smaller than the sum of its proper divisors (25128796).

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

25022564 is a wasteful number, since it uses less digits than its factorization.

25022564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 25022564 is about 5002.2558910955. The cubic root of 25022564 is about 292.4897174168.

The spelling of 25022564 in words is "twenty-five million, twenty-two thousand, five hundred sixty-four".