22331938240 has 28 divisors (see below), whose sum is σ = 53177928696. Its totient is φ = 8932775168.

The previous prime is 22331938231. The next prime is 22331938309. The reversal of 22331938240 is 4283913322.

It is a self number, because there is not a number n which added to its sum of digits gives 22331938240.

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, 34893334 + ... + 34893973.

Almost surely, 2^22331938240 is an apocalyptic number.

22331938240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22331938240 is an abundant number, since it is smaller than the sum of its proper divisors (30845990456).

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

22331938240 is an equidigital number, since it uses as much as digits as its factorization.

22331938240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69787324 (or 69787314 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 22331938240 in words is "twenty-two billion, three hundred thirty-one million, nine hundred thirty-eight thousand, two hundred forty".