3122122138 has 8 divisors (see below), whose sum is σ = 4700593620. Its totient is φ = 1555257600.

The previous prime is 3122122093. The next prime is 3122122139. The reversal of 3122122138 is 8312212213.

It can be written as a sum of positive squares in 2 ways, for example, as 2134717209 + 987404929 = 46203^2 + 31423^2 .

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 (3122122139) 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, 2901063 + ... + 2902138.

Almost surely, 2^3122122138 is an apocalyptic number.

3122122138 is a deficient number, since it is larger than the sum of its proper divisors (1578471482).

3122122138 is a wasteful number, since it uses less digits than its factorization.

3122122138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803472.

The product of its digits is 1152, while the sum is 25.

The square root of 3122122138 is about 55875.9531283360. The cubic root of 3122122138 is about 1461.5599355596.

The spelling of 3122122138 in words is "three billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred thirty-eight".