90225697324 has 24 divisors (see below), whose sum is σ = 184852650528. Its totient is φ = 37725029760.

The previous prime is 90225697321. The next prime is 90225697351. The reversal of 90225697324 is 42379652209.

It is not an unprimeable number, because it can be changed into a prime (90225697321) by changing a digit.

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, 39295759 + ... + 39298054.

It is an arithmetic number, because the mean of its divisors is an integer number (7702193772).

Almost surely, 2^90225697324 is an apocalyptic number.

It is an amenable number.

90225697324 is an abundant number, since it is smaller than the sum of its proper divisors (94626953204).

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

90225697324 is a wasteful number, since it uses less digits than its factorization.

90225697324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78593865 (or 78593863 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 90225697324 in words is "ninety billion, two hundred twenty-five million, six hundred ninety-seven thousand, three hundred twenty-four".