90224872 has 16 divisors (see below), whose sum is σ = 169351200. Its totient is φ = 45064560.

The previous prime is 90224851. The next prime is 90224903. The reversal of 90224872 is 27842209.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779 + ... + 13717.

It is an arithmetic number, because the mean of its divisors is an integer number (10584450).

Almost surely, 2^90224872 is an apocalyptic number.

It is an amenable number.

90224872 is a deficient number, since it is larger than the sum of its proper divisors (79126328).

90224872 is a wasteful number, since it uses less digits than its factorization.

90224872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11976 (or 11972 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 90224872 is about 9498.6773816148. The cubic root of 90224872 is about 448.5134021756.

The spelling of 90224872 in words is "ninety million, two hundred twenty-four thousand, eight hundred seventy-two".