13220044322 has 12 divisors (see below), whose sum is σ = 21065158050. Its totient is φ = 6221197056.

The previous prime is 13220044319. The next prime is 13220044337. The reversal of 13220044322 is 22344002231.

It can be written as a sum of positive squares in 3 ways, for example, as 10416447721 + 2803596601 = 102061^2 + 52949^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11435447 + ... + 11436602.

Almost surely, 2^13220044322 is an apocalyptic number.

13220044322 is a deficient number, since it is larger than the sum of its proper divisors (7845113728).

13220044322 is a wasteful number, since it uses less digits than its factorization.

13220044322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22872085 (or 22872068 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 13220044322 its reverse (22344002231), we get a palindrome (35564046553).

The spelling of 13220044322 in words is "thirteen billion, two hundred twenty million, forty-four thousand, three hundred twenty-two".