9099228 has 12 divisors (see below), whose sum is σ = 21231560. Its totient is φ = 3033072.

The previous prime is 9099227. The next prime is 9099229. The reversal of 9099228 is 8229909.

It is an interprime number because it is at equal distance from previous prime (9099227) and next prime (9099229).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9099227) 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, 379123 + ... + 379146.

Almost surely, 2^9099228 is an apocalyptic number.

It is an amenable number.

9099228 is an abundant number, since it is smaller than the sum of its proper divisors (12132332).

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

9099228 is a wasteful number, since it uses less digits than its factorization.

9099228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758276 (or 758274 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9099228 is about 3016.4926653317. The cubic root of 9099228 is about 208.7700438521.

The spelling of 9099228 in words is "nine million, ninety-nine thousand, two hundred twenty-eight".