90228176 has 10 divisors (see below), whose sum is σ = 174817122. Its totient is φ = 45114080.

The previous prime is 90228157. The next prime is 90228223. The reversal of 90228176 is 67182209.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78145600 + 12082576 = 8840^2 + 3476^2 .

It is a super-2 number, since 2×90228176² = 16282247488573952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819615 + ... + 2819646.

Almost surely, 2^90228176 is an apocalyptic number.

It is an amenable number.

90228176 is a deficient number, since it is larger than the sum of its proper divisors (84588946).

90228176 is a wasteful number, since it uses less digits than its factorization.

90228176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5639269 (or 5639263 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 90228176 is about 9498.8512989729. The cubic root of 90228176 is about 448.5188769047.

The spelling of 90228176 in words is "ninety million, two hundred twenty-eight thousand, one hundred seventy-six".