90224528 has 20 divisors (see below), whose sum is σ = 177274368. Its totient is φ = 44476320.

The previous prime is 90224513. The next prime is 90224543. The reversal of 90224528 is 82542209.

It is an interprime number because it is at equal distance from previous prime (90224513) and next prime (90224543).

It is a junction number, because it is equal to n+sod(n) for n = 90224494 and 90224503.

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, 38576 + ... + 40847.

Almost surely, 2^90224528 is an apocalyptic number.

It is an amenable number.

90224528 is a deficient number, since it is larger than the sum of its proper divisors (87049840).

90224528 is a wasteful number, since it uses less digits than its factorization.

90224528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79502 (or 79496 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 90224528 is about 9498.6592738133. The cubic root of 90224528 is about 448.5128321598.

The spelling of 90224528 in words is "ninety million, two hundred twenty-four thousand, five hundred twenty-eight".