223214231 has 2 divisors, whose sum is σ = 223214232. Its totient is φ = 223214230.

The previous prime is 223214227. The next prime is 223214249. The reversal of 223214231 is 132412322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223214231 - 2² = 223214227 is a prime.

It is a super-3 number, since 3×223214231³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223214221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111607115 + 111607116.

It is an arithmetic number, because the mean of its divisors is an integer number (111607116).

Almost surely, 2^223214231 is an apocalyptic number.

223214231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223214231 is an equidigital number, since it uses as much as digits as its factorization.

223214231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 223214231 is about 14940.3557855896. The cubic root of 223214231 is about 606.6068262368.

Adding to 223214231 its reverse (132412322), we get a palindrome (355626553).

The spelling of 223214231 in words is "two hundred twenty-three million, two hundred fourteen thousand, two hundred thirty-one".