227231 has 2 divisors, whose sum is σ = 227232. Its totient is φ = 227230.

The previous prime is 227219. The next prime is 227233. The reversal of 227231 is 132722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227231 - 2⁶ = 227167 is a prime.

It is a super-2 number, since 2×227231² = 103267854722, which contains 22 as substring.

Together with 227233, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113615 + 113616.

It is an arithmetic number, because the mean of its divisors is an integer number (113616).

2²²⁷²³¹ is an apocalyptic number.

227231 is a deficient number, since it is larger than the sum of its proper divisors (1).

227231 is an equidigital number, since it uses as much as digits as its factorization.

227231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 17.

The square root of 227231 is about 476.6875286810. The cubic root of 227231 is about 61.0223871962.

Adding to 227231 its reverse (132722), we get a palindrome (359953).

The spelling of 227231 in words is "two hundred twenty-seven thousand, two hundred thirty-one".