1222132113 has 12 divisors (see below), whose sum is σ = 1765757188. Its totient is φ = 814544640.

The previous prime is 1222132073. The next prime is 1222132129. The reversal of 1222132113 is 3112312221.

It can be written as a sum of positive squares in 2 ways, for example, as 449736849 + 772395264 = 21207^2 + 27792^2 .

It is not a de Polignac number, because 1222132113 - 2¹⁰ = 1222131089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222132013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24681 + ... + 55257.

Almost surely, 2^1222132113 is an apocalyptic number.

It is an amenable number.

1222132113 is a deficient number, since it is larger than the sum of its proper divisors (543625075).

1222132113 is a wasteful number, since it uses less digits than its factorization.

1222132113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35024 (or 35021 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1222132113 is about 34959.0061786659. The cubic root of 1222132113 is about 1069.1518340416.

Adding to 1222132113 its reverse (3112312221), we get a palindrome (4334444334).

The spelling of 1222132113 in words is "one billion, two hundred twenty-two million, one hundred thirty-two thousand, one hundred thirteen".