226231 has 2 divisors, whose sum is σ = 226232. Its totient is φ = 226230.

The previous prime is 226217. The next prime is 226241. The reversal of 226231 is 132622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226231 - 2⁵ = 226199 is a prime.

It is a super-2 number, since 2×226231² = 102360930722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226201) 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, 113115 + 113116.

It is an arithmetic number, because the mean of its divisors is an integer number (113116).

2²²⁶²³¹ is an apocalyptic number.

226231 is a deficient number, since it is larger than the sum of its proper divisors (1).

226231 is an equidigital number, since it uses as much as digits as its factorization.

226231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 16.

The square root of 226231 is about 475.6374669851. The cubic root of 226231 is about 60.9327396238.

Adding to 226231 its reverse (132622), we get a palindrome (358853).

The spelling of 226231 in words is "two hundred twenty-six thousand, two hundred thirty-one".