25112520222 has 32 divisors (see below), whose sum is σ = 50425109280. Its totient is φ = 8337538560.

The previous prime is 25112520203. The next prime is 25112520239. The reversal of 25112520222 is 22202521152.

It is a junction number, because it is equal to n+sod(n) for n = 25112520192 and 25112520201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2776804 + ... + 2785832.

It is an arithmetic number, because the mean of its divisors is an integer number (1575784665).

Almost surely, 2^25112520222 is an apocalyptic number.

25112520222 is an abundant number, since it is smaller than the sum of its proper divisors (25312589058).

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

25112520222 is a wasteful number, since it uses less digits than its factorization.

25112520222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10828.

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 25112520222 in words is "twenty-five billion, one hundred twelve million, five hundred twenty thousand, two hundred twenty-two".