2164802338 has 16 divisors (see below), whose sum is σ = 3439166904. Its totient is φ = 1018448640.

The previous prime is 2164802333. The next prime is 2164802347. The reversal of 2164802338 is 8332084612.

It can be written as a sum of positive squares in 4 ways, for example, as 2013586129 + 151216209 = 44873^2 + 12297^2 .

It is a super-2 number, since 2×2164802338² = 9372738325220532488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2164802297 and 2164802306.

It is not an unprimeable number, because it can be changed into a prime (2164802333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166348 + ... + 178888.

Almost surely, 2^2164802338 is an apocalyptic number.

2164802338 is a deficient number, since it is larger than the sum of its proper divisors (1274364566).

2164802338 is a wasteful number, since it uses less digits than its factorization.

2164802338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17637.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2164802338 is about 46527.4364004724. The cubic root of 2164802338 is about 1293.6180978488.

The spelling of 2164802338 in words is "two billion, one hundred sixty-four million, eight hundred two thousand, three hundred thirty-eight".