230225221 has 2 divisors, whose sum is σ = 230225222. Its totient is φ = 230225220.

The previous prime is 230225213. The next prime is 230225227. The reversal of 230225221 is 122522032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195580225 + 34644996 = 13985^2 + 5886^2 .

It is a cyclic number.

It is not a de Polignac number, because 230225221 - 2³ = 230225213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230225227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115112610 + 115112611.

It is an arithmetic number, because the mean of its divisors is an integer number (115112611).

Almost surely, 2^230225221 is an apocalyptic number.

It is an amenable number.

230225221 is a deficient number, since it is larger than the sum of its proper divisors (1).

230225221 is an equidigital number, since it uses as much as digits as its factorization.

230225221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 230225221 is about 15173.1743877147. The cubic root of 230225221 is about 612.8924895749.

Adding to 230225221 its reverse (122522032), we get a palindrome (352747253).

The spelling of 230225221 in words is "two hundred thirty million, two hundred twenty-five thousand, two hundred twenty-one".