2162642236 has 6 divisors (see below), whose sum is σ = 3784623920. Its totient is φ = 1081321116.

The previous prime is 2162642231. The next prime is 2162642291. The reversal of 2162642236 is 6322462612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162642231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270330276 + ... + 270330283.

Almost surely, 2^2162642236 is an apocalyptic number.

It is an amenable number.

2162642236 is a deficient number, since it is larger than the sum of its proper divisors (1621981684).

2162642236 is a wasteful number, since it uses less digits than its factorization.

2162642236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540660563 (or 540660561 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 2162642236 is about 46504.2174001455. The cubic root of 2162642236 is about 1293.1876848833.

The spelling of 2162642236 in words is "two billion, one hundred sixty-two million, six hundred forty-two thousand, two hundred thirty-six".