22222222120 has 64 divisors (see below), whose sum is σ = 57156606720. Its totient is φ = 7617214464.

The previous prime is 22222222111. The next prime is 22222222157. The reversal of 22222222120 is 2122222222.

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, 1705149 + ... + 1718131.

It is an arithmetic number, because the mean of its divisors is an integer number (893071980).

Almost surely, 2^22222222120 is an apocalyptic number.

22222222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222222120 is an abundant number, since it is smaller than the sum of its proper divisors (34934384600).

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

22222222120 is a wasteful number, since it uses less digits than its factorization.

22222222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19114 (or 19110 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22222222120 its reverse (2122222222), we get a palindrome (24344444342).

The spelling of 22222222120 in words is "twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty".