22355556072 has 64 divisors (see below), whose sum is σ = 56800699200. Its totient is φ = 7330583040.

The previous prime is 22355556043. The next prime is 22355556131. The reversal of 22355556072 is 27065555322.

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, 1214554 + ... + 1232822.

It is an arithmetic number, because the mean of its divisors is an integer number (887510925).

Almost surely, 2^22355556072 is an apocalyptic number.

It is an amenable number.

22355556072 is an abundant number, since it is smaller than the sum of its proper divisors (34445143128).

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

22355556072 is a wasteful number, since it uses less digits than its factorization.

22355556072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19106 (or 19102 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 42.

The spelling of 22355556072 in words is "twenty-two billion, three hundred fifty-five million, five hundred fifty-six thousand, seventy-two".