90022393900 has 18 divisors (see below), whose sum is σ = 195348594980. Its totient is φ = 36008957520.

The previous prime is 90022393897. The next prime is 90022393913. The reversal of 90022393900 is 939322009.

It is a self number, because there is not a number n which added to its sum of digits gives 90022393900.

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 5 ways as a sum of consecutive naturals, for example, 450111870 + ... + 450112069.

Almost surely, 2^90022393900 is an apocalyptic number.

It is an amenable number.

90022393900 is an abundant number, since it is smaller than the sum of its proper divisors (105326201080).

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

90022393900 is a wasteful number, since it uses less digits than its factorization.

90022393900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900223953 (or 900223946 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The spelling of 90022393900 in words is "ninety billion, twenty-two million, three hundred ninety-three thousand, nine hundred".