227188229 has 2 divisors, whose sum is σ = 227188230. Its totient is φ = 227188228.

The previous prime is 227188193. The next prime is 227188231. The reversal of 227188229 is 922881722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136843204 + 90345025 = 11698^2 + 9505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227188229 is a prime.

It is a super-2 number, since 2×227188229² = 103228982792312882, which contains 22 as substring.

Together with 227188231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227188249) 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, 113594114 + 113594115.

It is an arithmetic number, because the mean of its divisors is an integer number (113594115).

Almost surely, 2^227188229 is an apocalyptic number.

It is an amenable number.

227188229 is a deficient number, since it is larger than the sum of its proper divisors (1).

227188229 is an equidigital number, since it uses as much as digits as its factorization.

227188229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 227188229 is about 15072.7644776929. The cubic root of 227188229 is about 610.1855826988.

The spelling of 227188229 in words is "two hundred twenty-seven million, one hundred eighty-eight thousand, two hundred twenty-nine".