13220112322 has 16 divisors (see below), whose sum is σ = 21056830200. Its totient is φ = 6203397888.

The previous prime is 13220112319. The next prime is 13220112349. The reversal of 13220112322 is 22321102231.

It can be written as a sum of positive squares in 4 ways, for example, as 13107731121 + 112381201 = 114489^2 + 10601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13220112322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545193 + ... + 568924.

Almost surely, 2^13220112322 is an apocalyptic number.

13220112322 is a deficient number, since it is larger than the sum of its proper divisors (7836717878).

13220112322 is a wasteful number, since it uses less digits than its factorization.

13220112322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114485.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13220112322 its reverse (22321102231), we get a palindrome (35541214553).

The spelling of 13220112322 in words is "thirteen billion, two hundred twenty million, one hundred twelve thousand, three hundred twenty-two".