22200220122 has 32 divisors (see below), whose sum is σ = 46760716800. Its totient is φ = 7007084208.

The previous prime is 22200220087. The next prime is 22200220177. The reversal of 22200220122 is 22102200222.

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, 184693 + ... + 280199.

It is an arithmetic number, because the mean of its divisors is an integer number (1461272400).

Almost surely, 2^22200220122 is an apocalyptic number.

22200220122 is an abundant number, since it is smaller than the sum of its proper divisors (24560496678).

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

22200220122 is a wasteful number, since it uses less digits than its factorization.

22200220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97570.

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

Adding to 22200220122 its reverse (22102200222), we get a palindrome (44302420344).

The spelling of 22200220122 in words is "twenty-two billion, two hundred million, two hundred twenty thousand, one hundred twenty-two".