8565228 has 72 divisors (see below), whose sum is σ = 25378080. Its totient is φ = 2384640.

The previous prime is 8565217. The next prime is 8565281. The reversal of 8565228 is 8225658.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 8565192 and 8565201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9918 + ... + 10746.

Almost surely, 2^8565228 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 8565228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12689040).

8565228 is an abundant number, since it is smaller than the sum of its proper divisors (16812852).

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

8565228 is a wasteful number, since it uses less digits than its factorization.

8565228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 882 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 8565228 is about 2926.6410780962. The cubic root of 8565228 is about 204.6034610973.

It can be divided in two parts, 856 and 5228, that added together give a square (6084 = 78²).

The spelling of 8565228 in words is "eight million, five hundred sixty-five thousand, two hundred twenty-eight".