230223221 has 2 divisors, whose sum is σ = 230223222. Its totient is φ = 230223220.

The previous prime is 230223181. The next prime is 230223269. The reversal of 230223221 is 122322032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201214225 + 29008996 = 14185^2 + 5386^2 .

It is a cyclic number.

It is not a de Polignac number, because 230223221 - 2²² = 226028917 is a prime.

It is a super-2 number, since 2×230223221² = 106005462975229682, which contains 22 as substring.

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 230223221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230223271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115111610 + 115111611.

It is an arithmetic number, because the mean of its divisors is an integer number (115111611).

Almost surely, 2^230223221 is an apocalyptic number.

It is an amenable number.

230223221 is a deficient number, since it is larger than the sum of its proper divisors (1).

230223221 is an equidigital number, since it uses as much as digits as its factorization.

230223221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 230223221 is about 15173.1084817845. The cubic root of 230223221 is about 612.8907148076.

Adding to 230223221 its reverse (122322032), we get a palindrome (352545253).

The spelling of 230223221 in words is "two hundred thirty million, two hundred twenty-three thousand, two hundred twenty-one".