22123312904 has 32 divisors (see below), whose sum is σ = 51716836800. Its totient is φ = 8619472320.

The previous prime is 22123312879. The next prime is 22123312951. The reversal of 22123312904 is 40921332122.

It is a happy number.

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, 17956619 + ... + 17957850.

It is an arithmetic number, because the mean of its divisors is an integer number (1616151150).

Almost surely, 2^22123312904 is an apocalyptic number.

It is an amenable number.

22123312904 is an abundant number, since it is smaller than the sum of its proper divisors (29593523896).

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

22123312904 is a wasteful number, since it uses less digits than its factorization.

22123312904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35914493 (or 35914489 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 22123312904 in words is "twenty-two billion, one hundred twenty-three million, three hundred twelve thousand, nine hundred four".