22288890188 has 12 divisors (see below), whose sum is σ = 39956913192. Its totient is φ = 10872629280.

The previous prime is 22288890161. The next prime is 22288890203. The reversal of 22288890188 is 88109888222.

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, 67953770 + ... + 67954097.

It is an arithmetic number, because the mean of its divisors is an integer number (3329742766).

Almost surely, 2^22288890188 is an apocalyptic number.

It is an amenable number.

22288890188 is a deficient number, since it is larger than the sum of its proper divisors (17668023004).

22288890188 is a wasteful number, since it uses less digits than its factorization.

22288890188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135907912 (or 135907910 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 56.

The spelling of 22288890188 in words is "twenty-two billion, two hundred eighty-eight million, eight hundred ninety thousand, one hundred eighty-eight".