8920228 has 12 divisors (see below), whose sum is σ = 16289280. Its totient is φ = 4266152.

The previous prime is 8920201. The next prime is 8920243. The reversal of 8920228 is 8220298.

It is a self number, because there is not a number n which added to its sum of digits gives 8920228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48388 + ... + 48571.

It is an arithmetic number, because the mean of its divisors is an integer number (1357440).

Almost surely, 2^8920228 is an apocalyptic number.

It is an amenable number.

8920228 is a deficient number, since it is larger than the sum of its proper divisors (7369052).

8920228 is a wasteful number, since it uses less digits than its factorization.

8920228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96986 (or 96984 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8920228 is about 2986.6750743929. The cubic root of 8920228 is about 207.3919929509.

The spelling of 8920228 in words is "eight million, nine hundred twenty thousand, two hundred twenty-eight".