90222456 has 32 divisors (see below), whose sum is σ = 226949760. Its totient is φ = 29888352.

The previous prime is 90222437. The next prime is 90222499. The reversal of 90222456 is 65422209.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7620 + ... + 15443.

It is an arithmetic number, because the mean of its divisors is an integer number (7092180).

Almost surely, 2^90222456 is an apocalyptic number.

It is an amenable number.

90222456 is an abundant number, since it is smaller than the sum of its proper divisors (136727304).

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

90222456 is a wasteful number, since it uses less digits than its factorization.

90222456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23235 (or 23231 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 90222456 is about 9498.5502051629. The cubic root of 90222456 is about 448.5093987782.

The spelling of 90222456 in words is "ninety million, two hundred twenty-two thousand, four hundred fifty-six".