322745161 has 2 divisors, whose sum is σ = 322745162. Its totient is φ = 322745160.

The previous prime is 322745141. The next prime is 322745173. The reversal of 322745161 is 161547223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281065225 + 41679936 = 16765^2 + 6456^2 .

It is a cyclic number.

It is not a de Polignac number, because 322745161 - 2⁹ = 322744649 is a prime.

It is not a weakly prime, because it can be changed into another prime (322745141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161372580 + 161372581.

It is an arithmetic number, because the mean of its divisors is an integer number (161372581).

Almost surely, 2^322745161 is an apocalyptic number.

It is an amenable number.

322745161 is a deficient number, since it is larger than the sum of its proper divisors (1).

322745161 is an equidigital number, since it uses as much as digits as its factorization.

322745161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 322745161 is about 17965.1095460061. The cubic root of 322745161 is about 685.9407118960.

The spelling of 322745161 in words is "three hundred twenty-two million, seven hundred forty-five thousand, one hundred sixty-one".