2162663218 has 4 divisors (see below), whose sum is σ = 3243994830. Its totient is φ = 1081331608.

The previous prime is 2162663161. The next prime is 2162663219. The reversal of 2162663218 is 8123662612.

2162663218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1666843929 + 495819289 = 40827^2 + 22267^2 .

It is a super-2 number, since 2×2162663218² = 9354224388980231048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2162663219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540665803 + ... + 540665806.

Almost surely, 2^2162663218 is an apocalyptic number.

2162663218 is a deficient number, since it is larger than the sum of its proper divisors (1081331612).

2162663218 is a wasteful number, since it uses less digits than its factorization.

2162663218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081331611.

The product of its digits is 41472, while the sum is 37.

The square root of 2162663218 is about 46504.4429920411. The cubic root of 2162663218 is about 1293.1918670477.

The spelling of 2162663218 in words is "two billion, one hundred sixty-two million, six hundred sixty-three thousand, two hundred eighteen".