25478022 has 16 divisors (see below), whose sum is σ = 51654960. Its totient is φ = 8376192.

The previous prime is 25478009. The next prime is 25478051. The reversal of 25478022 is 22087452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28647 + ... + 29522.

It is an arithmetic number, because the mean of its divisors is an integer number (3228435).

Almost surely, 2^25478022 is an apocalyptic number.

25478022 is an abundant number, since it is smaller than the sum of its proper divisors (26176938).

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

25478022 is a wasteful number, since it uses less digits than its factorization.

25478022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58247.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 25478022 is about 5047.5758538134. The cubic root of 25478022 is about 294.2536798861.

The spelling of 25478022 in words is "twenty-five million, four hundred seventy-eight thousand, twenty-two".