22117356280 has 64 divisors (see below), whose sum is σ = 50024096640. Its totient is φ = 8800837632.

The previous prime is 22117356263. The next prime is 22117356299. The reversal of 22117356280 is 8265371122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7314849 + ... + 7317871.

It is an arithmetic number, because the mean of its divisors is an integer number (781626510).

Almost surely, 2^22117356280 is an apocalyptic number.

22117356280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22117356280 is an abundant number, since it is smaller than the sum of its proper divisors (27906740360).

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

22117356280 is a wasteful number, since it uses less digits than its factorization.

22117356280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 22117356280 in words is "twenty-two billion, one hundred seventeen million, three hundred fifty-six thousand, two hundred eighty".