25574625122 has 6 divisors (see below), whose sum is σ = 38362276929. Its totient is φ = 12787199480.

The previous prime is 25574625103. The next prime is 25574625137. The reversal of 25574625122 is 22152647552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25379994721 + 194630401 = 159311^2 + 13951^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=113081.

It is a super-2 number, since 2×25574625122² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25574625122.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 169622 + ... + 282702.

Almost surely, 2^25574625122 is an apocalyptic number.

25574625122 is a deficient number, since it is larger than the sum of its proper divisors (12787651807).

25574625122 is an frugal number, since it uses more digits than its factorization.

25574625122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226164 (or 113083 counting only the distinct ones).

The product of its digits is 336000, while the sum is 41.

The spelling of 25574625122 in words is "twenty-five billion, five hundred seventy-four million, six hundred twenty-five thousand, one hundred twenty-two".