165222329 has 2 divisors, whose sum is σ = 165222330. Its totient is φ = 165222328.

The previous prime is 165222319. The next prime is 165222389. The reversal of 165222329 is 923222561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133356304 + 31866025 = 11548^2 + 5645^2 .

It is a cyclic number.

It is not a de Polignac number, because 165222329 - 2⁴ = 165222313 is a prime.

It is a Chen prime.

It is equal to p_9250682 and since 165222329 and 9250682 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 165222295 and 165222304.

It is not a weakly prime, because it can be changed into another prime (165222319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82611164 + 82611165.

It is an arithmetic number, because the mean of its divisors is an integer number (82611165).

Almost surely, 2^165222329 is an apocalyptic number.

It is an amenable number.

165222329 is a deficient number, since it is larger than the sum of its proper divisors (1).

165222329 is an equidigital number, since it uses as much as digits as its factorization.

165222329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 165222329 is about 12853.8838099619. The cubic root of 165222329 is about 548.7268944874.

The spelling of 165222329 in words is "one hundred sixty-five million, two hundred twenty-two thousand, three hundred twenty-nine".