90512266 has 8 divisors (see below), whose sum is σ = 146212164. Its totient is φ = 41774880.

The previous prime is 90512237. The next prime is 90512293. The reversal of 90512266 is 66221509.

It can be written as a sum of positive squares in 2 ways, for example, as 73874025 + 16638241 = 8595^2 + 4079^2 .

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

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, 1740595 + ... + 1740646.

Almost surely, 2^90512266 is an apocalyptic number.

90512266 is a deficient number, since it is larger than the sum of its proper divisors (55699898).

90512266 is a wasteful number, since it uses less digits than its factorization.

90512266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481256.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 90512266 is about 9513.7934600242. The cubic root of 90512266 is about 448.9891152002.

The spelling of 90512266 in words is "ninety million, five hundred twelve thousand, two hundred sixty-six".