8138227 has 2 divisors, whose sum is σ = 8138228. Its totient is φ = 8138226.

The previous prime is 8138219. The next prime is 8138239. The reversal of 8138227 is 7228318.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8138227 - 2³ = 8138219 is a prime.

It is not a weakly prime, because it can be changed into another prime (8238227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069113 + 4069114.

It is an arithmetic number, because the mean of its divisors is an integer number (4069114).

Almost surely, 2^8138227 is an apocalyptic number.

8138227 is a deficient number, since it is larger than the sum of its proper divisors (1).

8138227 is an equidigital number, since it uses as much as digits as its factorization.

8138227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 8138227 is about 2852.7577885267. The cubic root of 8138227 is about 201.1453203532.

Subtracting from 8138227 its reverse (7228318), we obtain a palindrome (909909).

The spelling of 8138227 in words is "eight million, one hundred thirty-eight thousand, two hundred twenty-seven".