90225875 has 16 divisors (see below), whose sum is σ = 114734880. Its totient is φ = 70813600.

The previous prime is 90225847. The next prime is 90225913. The reversal of 90225875 is 57852209.

It is not a de Polignac number, because 90225875 - 2¹⁰ = 90224851 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185 + ... + 13434.

It is an arithmetic number, because the mean of its divisors is an integer number (7170930).

Almost surely, 2^90225875 is an apocalyptic number.

90225875 is a deficient number, since it is larger than the sum of its proper divisors (24509005).

90225875 is a wasteful number, since it uses less digits than its factorization.

90225875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13687 (or 13677 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 90225875 is about 9498.7301782923. The cubic root of 90225875 is about 448.5150641610.

The spelling of 90225875 in words is "ninety million, two hundred twenty-five thousand, eight hundred seventy-five".