25025256422 has 16 divisors (see below), whose sum is σ = 37835284032. Its totient is φ = 12413883840.

The previous prime is 25025256371. The next prime is 25025256427. The reversal of 25025256422 is 22465252052.

It is a super-3 number, since 3×25025256422³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25025256427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32147 + ... + 226017.

It is an arithmetic number, because the mean of its divisors is an integer number (2364705252).

Almost surely, 2^25025256422 is an apocalyptic number.

25025256422 is a deficient number, since it is larger than the sum of its proper divisors (12810027610).

25025256422 is a wasteful number, since it uses less digits than its factorization.

25025256422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194383.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 25025256422 in words is "twenty-five billion, twenty-five million, two hundred fifty-six thousand, four hundred twenty-two".