8399227 has 6 divisors (see below), whose sum is σ = 8488148. Its totient is φ = 8310924.

The previous prime is 8399191. The next prime is 8399231. The reversal of 8399227 is 7229938.

It is not a de Polignac number, because 8399227 - 2⁷ = 8399099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8399227.

It is not an unprimeable number, because it can be changed into a prime (8399257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36888 + ... + 37114.

Almost surely, 2^8399227 is an apocalyptic number.

8399227 is a deficient number, since it is larger than the sum of its proper divisors (88921).

8399227 is an equidigital number, since it uses as much as digits as its factorization.

8399227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 390 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 8399227 is about 2898.1419910004. The cubic root of 8399227 is about 203.2730356607.

The spelling of 8399227 in words is "eight million, three hundred ninety-nine thousand, two hundred twenty-seven".