8919228 has 12 divisors (see below), whose sum is σ = 20811560. Its totient is φ = 2973072.

The previous prime is 8919223. The next prime is 8919259. The reversal of 8919228 is 8229198.

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 (8919223) 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, 371623 + ... + 371646.

Almost surely, 2^8919228 is an apocalyptic number.

It is an amenable number.

8919228 is an abundant number, since it is smaller than the sum of its proper divisors (11892332).

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

8919228 is a wasteful number, since it uses less digits than its factorization.

8919228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743276 (or 743274 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 8919228 is about 2986.5076594578. The cubic root of 8919228 is about 207.3842427849.

The spelling of 8919228 in words is "eight million, nine hundred nineteen thousand, two hundred twenty-eight".