90322775 has 12 divisors (see below), whose sum is σ = 112413192. Its totient is φ = 71991840.

The previous prime is 90322753. The next prime is 90322783. The reversal of 90322775 is 57722309.

It is not a de Polignac number, because 90322775 - 2⁶ = 90322711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404 + ... + 13446.

It is an arithmetic number, because the mean of its divisors is an integer number (9367766).

Almost surely, 2^90322775 is an apocalyptic number.

90322775 is a deficient number, since it is larger than the sum of its proper divisors (22090417).

90322775 is a wasteful number, since it uses less digits than its factorization.

90322775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13330 (or 13325 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 90322775 is about 9503.8294913156. The cubic root of 90322775 is about 448.6755708166.

The spelling of 90322775 in words is "ninety million, three hundred twenty-two thousand, seven hundred seventy-five".