13222244251 has 2 divisors, whose sum is σ = 13222244252. Its totient is φ = 13222244250.

The previous prime is 13222244239. The next prime is 13222244257. The reversal of 13222244251 is 15244222231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13222244251 - 2²¹ = 13220147099 is a prime.

It is not a weakly prime, because it can be changed into another prime (13222244257) 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 as a sum of consecutive naturals, namely, 6611122125 + 6611122126.

It is an arithmetic number, because the mean of its divisors is an integer number (6611122126).

Almost surely, 2^13222244251 is an apocalyptic number.

13222244251 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222244251 is an equidigital number, since it uses as much as digits as its factorization.

13222244251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 28.

Adding to 13222244251 its reverse (15244222231), we get a palindrome (28466466482).

The spelling of 13222244251 in words is "thirteen billion, two hundred twenty-two million, two hundred forty-four thousand, two hundred fifty-one".