22108774088 has 16 divisors (see below), whose sum is σ = 41919727500. Its totient is φ = 10930180096.

The previous prime is 22108774073. The next prime is 22108774097. The reversal of 22108774088 is 88047780122.

It can be written as a sum of positive squares in 2 ways, for example, as 16487073604 + 5621700484 = 128402^2 + 74978^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15525113 + ... + 15526536.

Almost surely, 2^22108774088 is an apocalyptic number.

It is an amenable number.

22108774088 is a deficient number, since it is larger than the sum of its proper divisors (19810953412).

22108774088 is a wasteful number, since it uses less digits than its factorization.

22108774088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31051744 (or 31051740 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 47.

The spelling of 22108774088 in words is "twenty-two billion, one hundred eight million, seven hundred seventy-four thousand, eighty-eight".