22087470756 has 24 divisors (see below), whose sum is σ = 55501849984. Its totient is φ = 6796144800.

The previous prime is 22087470733. The next prime is 22087470761. The reversal of 22087470756 is 65707478022.

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, 70793020 + ... + 70793331.

Almost surely, 2^22087470756 is an apocalyptic number.

22087470756 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22087470756 is an abundant number, since it is smaller than the sum of its proper divisors (33414379228).

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

22087470756 is a wasteful number, since it uses less digits than its factorization.

22087470756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141586371 (or 141586369 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 22087470756 in words is "twenty-two billion, eighty-seven million, four hundred seventy thousand, seven hundred fifty-six".