22038717172 has 12 divisors (see below), whose sum is σ = 39388345920. Its totient is φ = 10784904056.

The previous prime is 22038717163. The next prime is 22038717199. The reversal of 22038717172 is 27171783022.

It is a congruent number.

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, 58613422 + ... + 58613797.

It is an arithmetic number, because the mean of its divisors is an integer number (3282362160).

Almost surely, 2^22038717172 is an apocalyptic number.

It is an amenable number.

22038717172 is a deficient number, since it is larger than the sum of its proper divisors (17349628748).

22038717172 is a wasteful number, since it uses less digits than its factorization.

22038717172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117227270 (or 117227268 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 22038717172 in words is "twenty-two billion, thirty-eight million, seven hundred seventeen thousand, one hundred seventy-two".