90228175 has 12 divisors (see below), whose sum is σ = 112177096. Its totient is φ = 71992800.

The previous prime is 90228157. The next prime is 90228223. The reversal of 90228175 is 57182209.

It is not a de Polignac number, because 90228175 - 2⁹ = 90227663 is a prime.

It is a super-2 number, since 2×90228175² = 16282247127661250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90228175.

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, 5380 + ... + 14470.

Almost surely, 2^90228175 is an apocalyptic number.

90228175 is a deficient number, since it is larger than the sum of its proper divisors (21948921).

90228175 is a wasteful number, since it uses less digits than its factorization.

90228175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9498 (or 9493 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 90228175 is about 9498.8512463350. The cubic root of 90228175 is about 448.5188752477.

The spelling of 90228175 in words is "ninety million, two hundred twenty-eight thousand, one hundred seventy-five".