1222303113 has 12 divisors (see below), whose sum is σ = 1767059268. Its totient is φ = 814171680.

The previous prime is 1222303109. The next prime is 1222303133. The reversal of 1222303113 is 3113032221.

1222303113 is a `hidden beast` number, since 122 + 230 + 311 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 753667209 + 468635904 = 27453^2 + 21648^2 .

It is not a de Polignac number, because 1222303113 - 2² = 1222303109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222303133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46870 + ... + 68127.

It is an arithmetic number, because the mean of its divisors is an integer number (147254939).

Almost surely, 2^1222303113 is an apocalyptic number.

It is an amenable number.

1222303113 is a deficient number, since it is larger than the sum of its proper divisors (544756155).

1222303113 is a wasteful number, since it uses less digits than its factorization.

1222303113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116184 (or 116181 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1222303113 is about 34961.4518148203. The cubic root of 1222303113 is about 1069.2016967461.

Adding to 1222303113 its reverse (3113032221), we get a palindrome (4335335334).

The spelling of 1222303113 in words is "one billion, two hundred twenty-two million, three hundred three thousand, one hundred thirteen".