22162726172 has 12 divisors (see below), whose sum is σ = 38790494736. Its totient is φ = 11079727680.

The previous prime is 22162726133. The next prime is 22162726189. The reversal of 22162726172 is 27162726122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378104 + ... + 432767.

It is an arithmetic number, because the mean of its divisors is an integer number (3232541228).

Almost surely, 2^22162726172 is an apocalyptic number.

It is an amenable number.

22162726172 is a deficient number, since it is larger than the sum of its proper divisors (16627768564).

22162726172 is a wasteful number, since it uses less digits than its factorization.

22162726172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817708 (or 817706 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The spelling of 22162726172 in words is "twenty-two billion, one hundred sixty-two million, seven hundred twenty-six thousand, one hundred seventy-two".