230222210161 has 2 divisors, whose sum is σ = 230222210162. Its totient is φ = 230222210160.

The previous prime is 230222210077. The next prime is 230222210261. The reversal of 230222210161 is 161012222032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202100597136 + 28121613025 = 449556^2 + 167695^2 .

It is a cyclic number.

It is not a de Polignac number, because 230222210161 - 2¹³ = 230222201969 is a prime.

It is not a weakly prime, because it can be changed into another prime (230222210261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115111105080 + 115111105081.

It is an arithmetic number, because the mean of its divisors is an integer number (115111105081).

Almost surely, 2^230222210161 is an apocalyptic number.

It is an amenable number.

230222210161 is a deficient number, since it is larger than the sum of its proper divisors (1).

230222210161 is an equidigital number, since it uses as much as digits as its factorization.

230222210161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 230222210161 its reverse (161012222032), we get a palindrome (391234432193).

The spelling of 230222210161 in words is "two hundred thirty billion, two hundred twenty-two million, two hundred ten thousand, one hundred sixty-one".