22522012120 has 32 divisors (see below), whose sum is σ = 52309192320. Its totient is φ = 8718197760.

The previous prime is 22522012099. The next prime is 22522012153. The reversal of 22522012120 is 2121022522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9080217 + ... + 9082696.

It is an arithmetic number, because the mean of its divisors is an integer number (1634662260).

Almost surely, 2^22522012120 is an apocalyptic number.

22522012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22522012120 is an abundant number, since it is smaller than the sum of its proper divisors (29787180200).

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

22522012120 is a wasteful number, since it uses less digits than its factorization.

22522012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18162955 (or 18162951 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 22522012120 its reverse (2121022522), we get a palindrome (24643034642).

The spelling of 22522012120 in words is "twenty-two billion, five hundred twenty-two million, twelve thousand, one hundred twenty".