9000228 has 12 divisors (see below), whose sum is σ = 21000560. Its totient is φ = 3000072.

The previous prime is 9000223. The next prime is 9000253. The reversal of 9000228 is 8220009.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (9000223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374998 + ... + 375021.

Almost surely, 2^9000228 is an apocalyptic number.

It is an amenable number.

9000228 is an abundant number, since it is smaller than the sum of its proper divisors (12000332).

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

9000228 is a wasteful number, since it uses less digits than its factorization.

9000228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750026 (or 750024 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 9000228 is about 3000.0379997593. The cubic root of 9000228 is about 208.0101388056.

The spelling of 9000228 in words is "nine million, two hundred twenty-eight", and thus it is an aban number.