8555228 has 24 divisors (see below), whose sum is σ = 16472064. Its totient is φ = 3855600.

The previous prime is 8555227. The next prime is 8555279. The reversal of 8555228 is 8225558.

It is a super-2 number, since 2×8555228² = 146383852263968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8555221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4823 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (686336).

Almost surely, 2^8555228 is an apocalyptic number.

It is an amenable number.

8555228 is a deficient number, since it is larger than the sum of its proper divisors (7916836).

8555228 is a wasteful number, since it uses less digits than its factorization.

8555228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1671 counting only the distinct ones).

The product of its digits is 32000, while the sum is 35.

The square root of 8555228 is about 2924.9321359649. The cubic root of 8555228 is about 204.5238044755.

The spelling of 8555228 in words is "eight million, five hundred fifty-five thousand, two hundred twenty-eight".