9165228 has 24 divisors (see below), whose sum is σ = 21499632. Its totient is φ = 3038784.

The previous prime is 9165217. The next prime is 9165241. The reversal of 9165228 is 8225619.

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 7 ways as a sum of consecutive naturals, for example, 426 + ... + 4302.

It is an arithmetic number, because the mean of its divisors is an integer number (895818).

Almost surely, 2^9165228 is an apocalyptic number.

It is an amenable number.

9165228 is an abundant number, since it is smaller than the sum of its proper divisors (12334404).

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

9165228 is a wasteful number, since it uses less digits than its factorization.

9165228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081 (or 4079 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 9165228 is about 3027.4127567942. The cubic root of 9165228 is about 209.2735899488.

The spelling of 9165228 in words is "nine million, one hundred sixty-five thousand, two hundred twenty-eight".