22031434988 has 12 divisors (see below), whose sum is σ = 40822953192. Its totient is φ = 10367734080.

The previous prime is 22031434969. The next prime is 22031434991. The reversal of 22031434988 is 88943413022.

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, 161995778 + ... + 161995913.

It is an arithmetic number, because the mean of its divisors is an integer number (3401912766).

Almost surely, 2^22031434988 is an apocalyptic number.

It is an amenable number.

22031434988 is a deficient number, since it is larger than the sum of its proper divisors (18791518204).

22031434988 is a wasteful number, since it uses less digits than its factorization.

22031434988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323991712 (or 323991710 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 22031434988 in words is "twenty-two billion, thirty-one million, four hundred thirty-four thousand, nine hundred eighty-eight".