8315228 has 24 divisors (see below), whose sum is σ = 15229200. Its totient is φ = 3967488.

The previous prime is 8315221. The next prime is 8315231. The reversal of 8315228 is 8225138.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 8315228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8315221) 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, 10883 + ... + 11621.

It is an arithmetic number, because the mean of its divisors is an integer number (634550).

Almost surely, 2^8315228 is an apocalyptic number.

It is an amenable number.

8315228 is a deficient number, since it is larger than the sum of its proper divisors (6913972).

8315228 is a wasteful number, since it uses less digits than its factorization.

8315228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 8315228 is about 2883.6137050583. The cubic root of 8315228 is about 202.5931329971.

The spelling of 8315228 in words is "eight million, three hundred fifteen thousand, two hundred twenty-eight".