90228174 has 8 divisors (see below), whose sum is σ = 180456360. Its totient is φ = 30076056.

The previous prime is 90228157. The next prime is 90228223. The reversal of 90228174 is 47182209.

It is a happy number.

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

90228174 is an admirable number.

It is a super-2 number, since 2×90228174² = 16282246766748552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 7519009 + ... + 7519020.

It is an arithmetic number, because the mean of its divisors is an integer number (22557045).

Almost surely, 2^90228174 is an apocalyptic number.

90228174 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90228174 is a wasteful number, since it uses less digits than its factorization.

90228174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15038034.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 90228174 is about 9498.8511936971. The cubic root of 90228174 is about 448.5188735907.

The spelling of 90228174 in words is "ninety million, two hundred twenty-eight thousand, one hundred seventy-four".