22112655988 has 48 divisors (see below), whose sum is σ = 39431992320. Its totient is φ = 10848848000.

The previous prime is 22112655941. The next prime is 22112655997. The reversal of 22112655988 is 88955621122.

It is a super-2 number, since 2×22112655988² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 39276195 + ... + 39276757.

It is an arithmetic number, because the mean of its divisors is an integer number (821499840).

Almost surely, 2^22112655988 is an apocalyptic number.

It is an amenable number.

22112655988 is a deficient number, since it is larger than the sum of its proper divisors (17319336332).

22112655988 is a wasteful number, since it uses less digits than its factorization.

22112655988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1366 counting only the distinct ones).

The product of its digits is 691200, while the sum is 49.

The spelling of 22112655988 in words is "twenty-two billion, one hundred twelve million, six hundred fifty-five thousand, nine hundred eighty-eight".