3115221426 has 12 divisors (see below), whose sum is σ = 6749646462. Its totient is φ = 1038407136.

The previous prime is 3115221377. The next prime is 3115221427. The reversal of 3115221426 is 6241225113.

3115221426 is a `hidden beast` number, since 3 + 1 + 15 + 221 + 426 = 666.

3115221426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2979522225 + 135699201 = 54585^2 + 11649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3115221426.

It is not an unprimeable number, because it can be changed into a prime (3115221427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86533911 + ... + 86533946.

Almost surely, 2^3115221426 is an apocalyptic number.

3115221426 is an abundant number, since it is smaller than the sum of its proper divisors (3634425036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3115221426 is a wasteful number, since it uses less digits than its factorization.

3115221426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173067865 (or 173067862 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3115221426 is about 55814.1686850212. The cubic root of 3115221426 is about 1460.4823304736.

Adding to 3115221426 its reverse (6241225113), we get a palindrome (9356446539).

The spelling of 3115221426 in words is "three billion, one hundred fifteen million, two hundred twenty-one thousand, four hundred twenty-six".