13362222221 has 2 divisors, whose sum is σ = 13362222222. Its totient is φ = 13362222220.

The previous prime is 13362222199. The next prime is 13362222227. The reversal of 13362222221 is 12222226331.

13362222221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9470209225 + 3892012996 = 97315^2 + 62386^2 .

It is a cyclic number.

It is not a de Polignac number, because 13362222221 - 2²⁶ = 13295113357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13362222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6681111110 + 6681111111.

It is an arithmetic number, because the mean of its divisors is an integer number (6681111111).

Almost surely, 2^13362222221 is an apocalyptic number.

It is an amenable number.

13362222221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13362222221 is an equidigital number, since it uses as much as digits as its factorization.

13362222221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

Adding to 13362222221 its reverse (12222226331), we get a palindrome (25584448552).

The spelling of 13362222221 in words is "thirteen billion, three hundred sixty-two million, two hundred twenty-two thousand, two hundred twenty-one".