2162320322 has 18 divisors (see below), whose sum is σ = 3281502387. Its totient is φ = 1068632500.

The previous prime is 2162320319. The next prime is 2162320331. The reversal of 2162320322 is 2230232612.

It can be written as a sum of positive squares in only one way, i.e., 1081160161 + 1081160161 = 32881^2 + 32881^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=32881.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8614697 + ... + 8614947.

Almost surely, 2^2162320322 is an apocalyptic number.

2162320322 is a deficient number, since it is larger than the sum of its proper divisors (1119182065).

2162320322 is an frugal number, since it uses more digits than its factorization.

2162320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2162320322 is about 46500.7561443897. The cubic root of 2162320322 is about 1293.1235170996.

Adding to 2162320322 its reverse (2230232612), we get a palindrome (4392552934).

The spelling of 2162320322 in words is "two billion, one hundred sixty-two million, three hundred twenty thousand, three hundred twenty-two".