22214887928 has 32 divisors (see below), whose sum is σ = 43260418560. Its totient is φ = 10683174240.

The previous prime is 22214887889. The next prime is 22214887963. The reversal of 22214887928 is 82978841222.

It is a self number, because there is not a number n which added to its sum of digits gives 22214887928.

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, 234350 + ... + 315197.

It is an arithmetic number, because the mean of its divisors is an integer number (1351888080).

Almost surely, 2^22214887928 is an apocalyptic number.

It is an amenable number.

22214887928 is a deficient number, since it is larger than the sum of its proper divisors (21045530632).

22214887928 is a wasteful number, since it uses less digits than its factorization.

22214887928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549747 (or 549743 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 53.

The spelling of 22214887928 in words is "twenty-two billion, two hundred fourteen million, eight hundred eighty-seven thousand, nine hundred twenty-eight".