22399073990 has 32 divisors (see below), whose sum is σ = 41096686176. Its totient is φ = 8788020480.

The previous prime is 22399073981. The next prime is 22399074007. The reversal of 22399073990 is 9937099322.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47369 + ... + 216891.

It is an arithmetic number, because the mean of its divisors is an integer number (1284271443).

Almost surely, 2^22399073990 is an apocalyptic number.

22399073990 is a deficient number, since it is larger than the sum of its proper divisors (18697612186).

22399073990 is a wasteful number, since it uses less digits than its factorization.

22399073990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169784.

The product of its (nonzero) digits is 1653372, while the sum is 53.

The spelling of 22399073990 in words is "twenty-two billion, three hundred ninety-nine million, seventy-three thousand, nine hundred ninety".