13221022223 has 2 divisors, whose sum is σ = 13221022224. Its totient is φ = 13221022222.

The previous prime is 13221022211. The next prime is 13221022249. The reversal of 13221022223 is 32222012231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13221022223 - 2⁴ = 13221022207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13221022195 and 13221022204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13221022823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610511111 + 6610511112.

It is an arithmetic number, because the mean of its divisors is an integer number (6610511112).

Almost surely, 2^13221022223 is an apocalyptic number.

13221022223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221022223 is an equidigital number, since it uses as much as digits as its factorization.

13221022223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13221022223 its reverse (32222012231), we get a palindrome (45443034454).

The spelling of 13221022223 in words is "thirteen billion, two hundred twenty-one million, twenty-two thousand, two hundred twenty-three".