90527228 has 24 divisors (see below), whose sum is σ = 173066880. Its totient is φ = 41091120.

The previous prime is 90527207. The next prime is 90527237. The reversal of 90527228 is 82272509.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 56543 + ... + 58121.

It is an arithmetic number, because the mean of its divisors is an integer number (7211120).

Almost surely, 2^90527228 is an apocalyptic number.

It is an amenable number.

90527228 is a deficient number, since it is larger than the sum of its proper divisors (82539652).

90527228 is a wasteful number, since it uses less digits than its factorization.

90527228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897 (or 2895 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 90527228 is about 9514.5797595059. The cubic root of 90527228 is about 449.0138536705.

The spelling of 90527228 in words is "ninety million, five hundred twenty-seven thousand, two hundred twenty-eight".