230222261 has 2 divisors, whose sum is σ = 230222262. Its totient is φ = 230222260.

The previous prime is 230222231. The next prime is 230222269. The reversal of 230222261 is 162222032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181306225 + 48916036 = 13465^2 + 6994^2 .

It is a cyclic number.

It is not a de Polignac number, because 230222261 - 2²⁶ = 163113397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230222269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115111130 + 115111131.

It is an arithmetic number, because the mean of its divisors is an integer number (115111131).

Almost surely, 2^230222261 is an apocalyptic number.

It is an amenable number.

230222261 is a deficient number, since it is larger than the sum of its proper divisors (1).

230222261 is an equidigital number, since it uses as much as digits as its factorization.

230222261 is an odious number, because the sum of its binary digits is odd.

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

The square root of 230222261 is about 15173.0768468363. The cubic root of 230222261 is about 612.8898629157.

Adding to 230222261 its reverse (162222032), we get a palindrome (392444293).

The spelling of 230222261 in words is "two hundred thirty million, two hundred twenty-two thousand, two hundred sixty-one".