2218218182 has 4 divisors (see below), whose sum is σ = 3327327276. Its totient is φ = 1109109090.

The previous prime is 2218218179. The next prime is 2218218199. The reversal of 2218218182 is 2818128122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554554544 + ... + 554554547.

It is an arithmetic number, because the mean of its divisors is an integer number (831831819).

Almost surely, 2^2218218182 is an apocalyptic number.

2218218182 is a deficient number, since it is larger than the sum of its proper divisors (1109109094).

2218218182 is a wasteful number, since it uses less digits than its factorization.

2218218182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109109093.

The product of its digits is 8192, while the sum is 35.

The square root of 2218218182 is about 47097.9636714795. The cubic root of 2218218182 is about 1304.1716448092.

The spelling of 2218218182 in words is "two billion, two hundred eighteen million, two hundred eighteen thousand, one hundred eighty-two".