8688228 has 24 divisors (see below), whose sum is σ = 20768160. Its totient is φ = 2825280.

The previous prime is 8688221. The next prime is 8688259. The reversal of 8688228 is 8228868.

It is a d-powerful number, because it can be written as 8² + 6² + 8³ + 8⁴ + 2¹⁸ + 2²³ + 8⁵ .

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8688228.

It is not an unprimeable number, because it can be changed into a prime (8688221) 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, 8338 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (865340).

Almost surely, 2^8688228 is an apocalyptic number.

It is an amenable number.

8688228 is an abundant number, since it is smaller than the sum of its proper divisors (12079932).

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

8688228 is a wasteful number, since it uses less digits than its factorization.

8688228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707 (or 17705 counting only the distinct ones).

The product of its digits is 98304, while the sum is 42.

The square root of 8688228 is about 2947.5800243590. The cubic root of 8688228 is about 205.5782050307.

The spelling of 8688228 in words is "eight million, six hundred eighty-eight thousand, two hundred twenty-eight".