3122122018 has 4 divisors (see below), whose sum is σ = 4683183030. Its totient is φ = 1561061008.

The previous prime is 3122122007. The next prime is 3122122021. The reversal of 3122122018 is 8102212213.

3122122018 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., 2255585049 + 866536969 = 47493^2 + 29437^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3122122018.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780530503 + ... + 780530506.

Almost surely, 2^3122122018 is an apocalyptic number.

3122122018 is a deficient number, since it is larger than the sum of its proper divisors (1561061012).

3122122018 is a wasteful number, since it uses less digits than its factorization.

3122122018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561061011.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 3122122018 is about 55875.9520545288. The cubic root of 3122122018 is about 1461.5599168344.

The spelling of 3122122018 in words is "three billion, one hundred twenty-two million, one hundred twenty-two thousand, eighteen".