25085522 has 64 divisors (see below), whose sum is σ = 50077440. Its totient is φ = 9139200.

The previous prime is 25085509. The next prime is 25085539. The reversal of 25085522 is 22558052.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183038 + ... + 183174.

It is an arithmetic number, because the mean of its divisors is an integer number (782460).

Almost surely, 2^25085522 is an apocalyptic number.

25085522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25085522 is a deficient number, since it is larger than the sum of its proper divisors (24991918).

25085522 is a wasteful number, since it uses less digits than its factorization.

25085522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 25085522 is about 5008.5448984710. The cubic root of 25085522 is about 292.7348181346.

The spelling of 25085522 in words is "twenty-five million, eighty-five thousand, five hundred twenty-two".