22220020112 has 20 divisors (see below), whose sum is σ = 43069030236. Its totient is φ = 11105431680.

The previous prime is 22220020091. The next prime is 22220020127. The reversal of 22220020112 is 21102002222.

It can be written as a sum of positive squares in 2 ways, for example, as 18334243216 + 3885776896 = 135404^2 + 62336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245939 + ... + 323922.

Almost surely, 2^22220020112 is an apocalyptic number.

It is an amenable number.

22220020112 is a deficient number, since it is larger than the sum of its proper divisors (20849010124).

22220020112 is a wasteful number, since it uses less digits than its factorization.

22220020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572306 (or 572300 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22220020112 its reverse (21102002222), we get a palindrome (43322022334).

The spelling of 22220020112 in words is "twenty-two billion, two hundred twenty million, twenty thousand, one hundred twelve".