2108322218 has 8 divisors (see below), whose sum is σ = 3348511812. Its totient is φ = 992151616.

The previous prime is 2108322211. The next prime is 2108322221. The reversal of 2108322218 is 8122238012.

It can be written as a sum of positive squares in 2 ways, for example, as 2002294009 + 106028209 = 44747^2 + 10297^2 .

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 (2108322211) 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, 31004705 + ... + 31004772.

Almost surely, 2^2108322218 is an apocalyptic number.

2108322218 is a deficient number, since it is larger than the sum of its proper divisors (1240189594).

2108322218 is a wasteful number, since it uses less digits than its factorization.

2108322218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62009496.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2108322218 is about 45916.4700080483. The cubic root of 2108322218 is about 1282.2685636844.

The spelling of 2108322218 in words is "two billion, one hundred eight million, three hundred twenty-two thousand, two hundred eighteen".