17922156212 has 12 divisors (see below), whose sum is σ = 31412253600. Its totient is φ = 8947226616.

The previous prime is 17922156173. The next prime is 17922156229. The reversal of 17922156212 is 21265122971.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3459962 + ... + 3465137.

It is an arithmetic number, because the mean of its divisors is an integer number (2617687800).

Almost surely, 2^17922156212 is an apocalyptic number.

It is an amenable number.

17922156212 is a deficient number, since it is larger than the sum of its proper divisors (13490097388).

17922156212 is a wasteful number, since it uses less digits than its factorization.

17922156212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925750 (or 6925748 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The spelling of 17922156212 in words is "seventeen billion, nine hundred twenty-two million, one hundred fifty-six thousand, two hundred twelve".