2164045322 has 8 divisors (see below), whose sum is σ = 3248712900. Its totient is φ = 1081141024.

The previous prime is 2164045319. The next prime is 2164045327. The reversal of 2164045322 is 2235404612.

It can be written as a sum of positive squares in 2 ways, for example, as 2026710361 + 137334961 = 45019^2 + 11719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2164045327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437747 + ... + 442662.

Almost surely, 2^2164045322 is an apocalyptic number.

2164045322 is a deficient number, since it is larger than the sum of its proper divisors (1084667578).

2164045322 is a wasteful number, since it uses less digits than its factorization.

2164045322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881640.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2164045322 is about 46519.3005321447. The cubic root of 2164045322 is about 1293.4672905822.

Adding to 2164045322 its reverse (2235404612), we get a palindrome (4399449934).

The spelling of 2164045322 in words is "two billion, one hundred sixty-four million, forty-five thousand, three hundred twenty-two".