13222552120 has 32 divisors (see below), whose sum is σ = 29764058400. Its totient is φ = 5286653568.

The previous prime is 13222552103. The next prime is 13222552139. The reversal of 13222552120 is 2125522231.

It is a super-2 number, since 2×13222552120² (a number of 21 digits) contains 22 as substring.

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, 17917 + ... + 163603.

It is an arithmetic number, because the mean of its divisors is an integer number (930126825).

Almost surely, 2^13222552120 is an apocalyptic number.

13222552120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222552120 is an abundant number, since it is smaller than the sum of its proper divisors (16541506280).

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

13222552120 is a wasteful number, since it uses less digits than its factorization.

13222552120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147967 (or 147963 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 13222552120 in words is "thirteen billion, two hundred twenty-two million, five hundred fifty-two thousand, one hundred twenty".