227117117 has 2 divisors, whose sum is σ = 227117118. Its totient is φ = 227117116.

The previous prime is 227117071. The next prime is 227117141. The reversal of 227117117 is 711711722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142587481 + 84529636 = 11941^2 + 9194^2 .

It is a cyclic number.

It is not a de Polignac number, because 227117117 - 2¹² = 227113021 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227117117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227117167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113558558 + 113558559.

It is an arithmetic number, because the mean of its divisors is an integer number (113558559).

Almost surely, 2^227117117 is an apocalyptic number.

It is an amenable number.

227117117 is a deficient number, since it is larger than the sum of its proper divisors (1).

227117117 is an equidigital number, since it uses as much as digits as its factorization.

227117117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1372, while the sum is 29.

The square root of 227117117 is about 15070.4053362874. The cubic root of 227117117 is about 610.1219114933.

Adding to 227117117 its reverse (711711722), we get a palindrome (938828839).

The spelling of 227117117 in words is "two hundred twenty-seven million, one hundred seventeen thousand, one hundred seventeen".