13221321322 has 16 divisors (see below), whose sum is σ = 21636916992. Its totient is φ = 6009128320.

The previous prime is 13221321283. The next prime is 13221321331. The reversal of 13221321322 is 22312312231.

It is a super-3 number, since 3×13221321322³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13221321293 and 13221321302.

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, 293658 + ... + 335674.

It is an arithmetic number, because the mean of its divisors is an integer number (1352307312).

Almost surely, 2^13221321322 is an apocalyptic number.

13221321322 is a deficient number, since it is larger than the sum of its proper divisors (8415595670).

13221321322 is a wasteful number, since it uses less digits than its factorization.

13221321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56333.

The product of its digits is 864, while the sum is 22.

Adding to 13221321322 its reverse (22312312231), we get a palindrome (35533633553).

Subtracting 13221321322 from its reverse (22312312231), we obtain a palindrome (9090990909).

The spelling of 13221321322 in words is "thirteen billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred twenty-two".