2164304332 has 6 divisors (see below), whose sum is σ = 3787532588. Its totient is φ = 1082152164.

The previous prime is 2164304309. The next prime is 2164304333. The reversal of 2164304332 is 2334034612.

It is a self number, because there is not a number n which added to its sum of digits gives 2164304332.

It is not an unprimeable number, because it can be changed into a prime (2164304333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270538038 + ... + 270538045.

Almost surely, 2^2164304332 is an apocalyptic number.

It is an amenable number.

2164304332 is a deficient number, since it is larger than the sum of its proper divisors (1623228256).

2164304332 is a wasteful number, since it uses less digits than its factorization.

2164304332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541076087 (or 541076085 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 2164304332 is about 46522.0843471141. The cubic root of 2164304332 is about 1293.5188926435.

Adding to 2164304332 its reverse (2334034612), we get a palindrome (4498338944).

The spelling of 2164304332 in words is "two billion, one hundred sixty-four million, three hundred four thousand, three hundred thirty-two".