13222213243 has 4 divisors (see below), whose sum is σ = 13258241440. Its totient is φ = 13186185048.

The previous prime is 13222213229. The next prime is 13222213253. The reversal of 13222213243 is 34231222231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34231222231 = 98129 ⋅348839.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13222213243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222213253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18013548 + ... + 18014281.

It is an arithmetic number, because the mean of its divisors is an integer number (3314560360).

Almost surely, 2^13222213243 is an apocalyptic number.

13222213243 is a deficient number, since it is larger than the sum of its proper divisors (36028197).

13222213243 is an equidigital number, since it uses as much as digits as its factorization.

13222213243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36028196.

The product of its digits is 3456, while the sum is 25.

Adding to 13222213243 its reverse (34231222231), we get a palindrome (47453435474).

The spelling of 13222213243 in words is "thirteen billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred forty-three".