322738161 has 32 divisors (see below), whose sum is σ = 469023360. Its totient is φ = 196701696.

The previous prime is 322738159. The next prime is 322738181. The reversal of 322738161 is 161837223.

It is not a de Polignac number, because 322738161 - 2¹ = 322738159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (322738121) 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 in 31 ways as a sum of consecutive naturals, for example, 288375 + ... + 289491.

It is an arithmetic number, because the mean of its divisors is an integer number (14656980).

Almost surely, 2^322738161 is an apocalyptic number.

It is an amenable number.

322738161 is a deficient number, since it is larger than the sum of its proper divisors (146285199).

322738161 is a wasteful number, since it uses less digits than its factorization.

322738161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its digits is 12096, while the sum is 33.

The square root of 322738161 is about 17964.9147228702. The cubic root of 322738161 is about 685.9357527514.

The spelling of 322738161 in words is "three hundred twenty-two million, seven hundred thirty-eight thousand, one hundred sixty-one".