9228928 has 16 divisors (see below), whose sum is σ = 18386010. Its totient is φ = 4614400.

The previous prime is 9228907. The next prime is 9228937. The reversal of 9228928 is 8298229.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8809024 + 419904 = 2968^2 + 648^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×9228928² = 170346224058368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35923 + ... + 36178.

Almost surely, 2^9228928 is an apocalyptic number.

It is an amenable number.

9228928 is a deficient number, since it is larger than the sum of its proper divisors (9157082).

9228928 is an equidigital number, since it uses as much as digits as its factorization.

9228928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72115 (or 72103 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 9228928 is about 3037.9150745207. The cubic root of 9228928 is about 209.7573008729.

The spelling of 9228928 in words is "nine million, two hundred twenty-eight thousand, nine hundred twenty-eight".