90522508 has 6 divisors (see below), whose sum is σ = 158414396. Its totient is φ = 45261252.

The previous prime is 90522493. The next prime is 90522521. The reversal of 90522508 is 80522509.

It is a happy number.

It is a super-2 number, since 2×90522508² = 16388648909220128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90522508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11315310 + ... + 11315317.

Almost surely, 2^90522508 is an apocalyptic number.

It is an amenable number.

90522508 is a deficient number, since it is larger than the sum of its proper divisors (67891888).

90522508 is a wasteful number, since it uses less digits than its factorization.

90522508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22630631 (or 22630629 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 90522508 is about 9514.3317158905. The cubic root of 90522508 is about 449.0060498223.

Subtracting from 90522508 its reverse (80522509), we obtain a palindrome (9999999).

The spelling of 90522508 in words is "ninety million, five hundred twenty-two thousand, five hundred eight".