8820228 has 12 divisors (see below), whose sum is σ = 20580560. Its totient is φ = 2940072.

The previous prime is 8820223. The next prime is 8820257. The reversal of 8820228 is 8220288.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8820195 and 8820204.

It is not an unprimeable number, because it can be changed into a prime (8820221) 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, 367498 + ... + 367521.

Almost surely, 2^8820228 is an apocalyptic number.

It is an amenable number.

8820228 is an abundant number, since it is smaller than the sum of its proper divisors (11760332).

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

8820228 is a wasteful number, since it uses less digits than its factorization.

8820228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735026 (or 735024 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 8820228 is about 2969.8868665321. The cubic root of 8820228 is about 206.6140911468.

The spelling of 8820228 in words is "eight million, eight hundred twenty thousand, two hundred twenty-eight".