25422290325 has 72 divisors (see below), whose sum is σ = 45984556800. Its totient is φ = 13424993280.

The previous prime is 25422290281. The next prime is 25422290351. The reversal of 25422290325 is 52309222452.

It is a happy number.

25422290325 is a `hidden beast` number, since 2 + 5 + 42 + 2 + 290 + 325 = 666.

It is not a de Polignac number, because 25422290325 - 2⁷ = 25422290197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25422290325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14979877 + ... + 14981573.

It is an arithmetic number, because the mean of its divisors is an integer number (638674400).

Almost surely, 2^25422290325 is an apocalyptic number.

25422290325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25422290325 is a deficient number, since it is larger than the sum of its proper divisors (20562266475).

25422290325 is a wasteful number, since it uses less digits than its factorization.

25422290325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2323 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 25422290325 in words is "twenty-five billion, four hundred twenty-two million, two hundred ninety thousand, three hundred twenty-five".