22001116887928 has 32 divisors (see below), whose sum is σ = 42675480630000. Its totient is φ = 10621004728320.

The previous prime is 22001116887917. The next prime is 22001116887941. The reversal of 22001116887928 is 82978861110022.

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, 10292248 + ... + 12244696.

Almost surely, 2^{22001116887928} is an apocalyptic number.

It is an amenable number.

22001116887928 is a deficient number, since it is larger than the sum of its proper divisors (20674363742072).

22001116887928 is a wasteful number, since it uses less digits than its factorization.

22001116887928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001055 (or 2001051 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 55.

The spelling of 22001116887928 in words is "twenty-two trillion, one billion, one hundred sixteen million, eight hundred eighty-seven thousand, nine hundred twenty-eight".