22079191708 has 18 divisors (see below), whose sum is σ = 44159956008. Its totient is φ = 9462173760.

The previous prime is 22079191697. The next prime is 22079191741. The reversal of 22079191708 is 80719197022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 772228 + ... + 800308.

Almost surely, 2^22079191708 is an apocalyptic number.

22079191708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22079191708 is an abundant number, since it is smaller than the sum of its proper divisors (22080764300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22079191708 is an frugal number, since it uses more digits than its factorization.

22079191708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56173 (or 28090 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 22079191708 in words is "twenty-two billion, seventy-nine million, one hundred ninety-one thousand, seven hundred eight".