322110161 has 2 divisors, whose sum is σ = 322110162. Its totient is φ = 322110160.

The previous prime is 322110127. The next prime is 322110167. The reversal of 322110161 is 161011223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303456400 + 18653761 = 17420^2 + 4319^2 .

It is a cyclic number.

It is not a de Polignac number, because 322110161 - 2¹⁴ = 322093777 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (322110167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161055080 + 161055081.

It is an arithmetic number, because the mean of its divisors is an integer number (161055081).

Almost surely, 2^322110161 is an apocalyptic number.

It is an amenable number.

322110161 is a deficient number, since it is larger than the sum of its proper divisors (1).

322110161 is an equidigital number, since it uses as much as digits as its factorization.

322110161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 322110161 is about 17947.4276986982. The cubic root of 322110161 is about 685.4905545378.

Adding to 322110161 its reverse (161011223), we get a palindrome (483121384).

The spelling of 322110161 in words is "three hundred twenty-two million, one hundred ten thousand, one hundred sixty-one".