90722254192 has 20 divisors (see below), whose sum is σ = 180525027256. Its totient is φ = 44135150400.

The previous prime is 90722254153. The next prime is 90722254193. The reversal of 90722254192 is 29145222709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90722254193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76622934 + ... + 76624117.

Almost surely, 2^90722254192 is an apocalyptic number.

It is an amenable number.

90722254192 is a deficient number, since it is larger than the sum of its proper divisors (89802773064).

90722254192 is a wasteful number, since it uses less digits than its factorization.

90722254192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153247096 (or 153247090 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 90722254192 in words is "ninety billion, seven hundred twenty-two million, two hundred fifty-four thousand, one hundred ninety-two".