3126722242 has 24 divisors (see below), whose sum is σ = 5457923964. Its totient is φ = 1339504992.

The previous prime is 3126722233. The next prime is 3126722257. The reversal of 3126722242 is 2422276213.

It can be written as a sum of positive squares in 2 ways, for example, as 3122686161 + 4036081 = 55881^2 + 2009^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356008 + ... + 364684.

Almost surely, 2^3126722242 is an apocalyptic number.

3126722242 is a deficient number, since it is larger than the sum of its proper divisors (2331201722).

3126722242 is a wasteful number, since it uses less digits than its factorization.

3126722242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12370 (or 12363 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 3126722242 is about 55917.1015164413. The cubic root of 3126722242 is about 1462.2773993103.

Adding to 3126722242 its reverse (2422276213), we get a palindrome (5548998455).

The spelling of 3126722242 in words is "three billion, one hundred twenty-six million, seven hundred twenty-two thousand, two hundred forty-two".