22200222120 has 32 divisors (see below), whose sum is σ = 66600666720. Its totient is φ = 5920059200.

The previous prime is 22200222113. The next prime is 22200222131. The reversal of 22200222120 is 2122200222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22200222120.

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, 92500806 + ... + 92501045.

It is an arithmetic number, because the mean of its divisors is an integer number (2081270835).

Almost surely, 2^22200222120 is an apocalyptic number.

22200222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200222120 is an abundant number, since it is smaller than the sum of its proper divisors (44400444600).

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

22200222120 is a wasteful number, since it uses less digits than its factorization.

22200222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185001865 (or 185001861 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22200222120 its reverse (2122200222), we get a palindrome (24322422342).

The spelling of 22200222120 in words is "twenty-two billion, two hundred million, two hundred twenty-two thousand, one hundred twenty".