90228594 has 8 divisors (see below), whose sum is σ = 180457200. Its totient is φ = 30076196.

The previous prime is 90228581. The next prime is 90228617. The reversal of 90228594 is 49582209.

It is a sphenic number, since it is the product of 3 distinct primes.

90228594 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7519044 + ... + 7519055.

It is an arithmetic number, because the mean of its divisors is an integer number (22557150).

Almost surely, 2^90228594 is an apocalyptic number.

90228594 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90228594 is a wasteful number, since it uses less digits than its factorization.

90228594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15038104.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 90228594 is about 9498.8733016079. The cubic root of 90228594 is about 448.5195695213.

The spelling of 90228594 in words is "ninety million, two hundred twenty-eight thousand, five hundred ninety-four".