8628228 has 96 divisors (see below), whose sum is σ = 26046720. Its totient is φ = 2419200.

The previous prime is 8628203. The next prime is 8628233. The reversal of 8628228 is 8228268.

8628228 is a `hidden beast` number, since 8 + 628 + 2 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8628192 and 8628201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76300 + ... + 76412.

It is an arithmetic number, because the mean of its divisors is an integer number (271320).

Almost surely, 2^8628228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8628228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13023360).

8628228 is an abundant number, since it is smaller than the sum of its proper divisors (17418492).

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

8628228 is a wasteful number, since it uses less digits than its factorization.

8628228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 226 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 8628228 is about 2937.3845509228. The cubic root of 8628228 is about 205.1038775546.

The spelling of 8628228 in words is "eight million, six hundred twenty-eight thousand, two hundred twenty-eight".