22200442112 has 18 divisors (see below), whose sum is σ = 44314164258. Its totient is φ = 11100220928.

The previous prime is 22200442031. The next prime is 22200442141. The reversal of 22200442112 is 21124400222.

It can be written as a sum of positive squares in only one way, i.e., 19851682816 + 2348759296 = 140896^2 + 48464^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43359983 + ... + 43360494.

Almost surely, 2^22200442112 is an apocalyptic number.

It is an amenable number.

22200442112 is a deficient number, since it is larger than the sum of its proper divisors (22113722146).

22200442112 is an frugal number, since it uses more digits than its factorization.

22200442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86720493 (or 86720479 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22200442112 its reverse (21124400222), we get a palindrome (43324842334).

The spelling of 22200442112 in words is "twenty-two billion, two hundred million, four hundred forty-two thousand, one hundred twelve".