22031507056 has 40 divisors (see below), whose sum is σ = 47452490624. Its totient is φ = 9840372480.

The previous prime is 22031507039. The next prime is 22031507077. The reversal of 22031507056 is 65070513022.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701951 + ... + 1714846.

Almost surely, 2^22031507056 is an apocalyptic number.

22031507056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22031507056 is an abundant number, since it is smaller than the sum of its proper divisors (25420983568).

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

22031507056 is a wasteful number, since it uses less digits than its factorization.

22031507056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416849 (or 3416843 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 22031507056 in words is "twenty-two billion, thirty-one million, five hundred seven thousand, fifty-six".