22208268992 has 56 divisors (see below), whose sum is σ = 54239440416. Its totient is φ = 8785686528.

The previous prime is 22208268989. The next prime is 22208269007. The reversal of 22208268992 is 29986280222.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 22208268992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900793 + ... + 1912440.

It is an arithmetic number, because the mean of its divisors is an integer number (968561436).

Almost surely, 2^22208268992 is an apocalyptic number.

It is an amenable number.

22208268992 is an abundant number, since it is smaller than the sum of its proper divisors (32031171424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22208268992 is a wasteful number, since it uses less digits than its factorization.

22208268992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813265 (or 3813255 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 22208268992 in words is "twenty-two billion, two hundred eight million, two hundred sixty-eight thousand, nine hundred ninety-two".