22116589625 has 64 divisors (see below), whose sum is σ = 30934106112. Its totient is φ = 15676416000.

The previous prime is 22116589597. The next prime is 22116589661. The reversal of 22116589625 is 52698561122.

It is not a de Polignac number, because 22116589625 - 2²⁴ = 22099812409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22116589625.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6395897 + ... + 6399353.

It is an arithmetic number, because the mean of its divisors is an integer number (483345408).

Almost surely, 2^22116589625 is an apocalyptic number.

22116589625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22116589625 is a deficient number, since it is larger than the sum of its proper divisors (8817516487).

22116589625 is a wasteful number, since it uses less digits than its factorization.

22116589625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3633 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The spelling of 22116589625 in words is "twenty-two billion, one hundred sixteen million, five hundred eighty-nine thousand, six hundred twenty-five".