25422122952 has 24 divisors (see below), whose sum is σ = 68851583190. Its totient is φ = 8474040960.

The previous prime is 25422122933. The next prime is 25422122963. The reversal of 25422122952 is 25922122452.

25422122952 is a `hidden beast` number, since 2 + 5 + 422 + 1 + 229 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23169101796 + 2253021156 = 152214^2 + 47466^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176542449 + ... + 176542592.

Almost surely, 2^25422122952 is an apocalyptic number.

It is an amenable number.

25422122952 is an abundant number, since it is smaller than the sum of its proper divisors (43429460238).

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

25422122952 is a wasteful number, since it uses less digits than its factorization.

25422122952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353085053 (or 353085046 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 25422122952 in words is "twenty-five billion, four hundred twenty-two million, one hundred twenty-two thousand, nine hundred fifty-two".