13322243237 has 2 divisors, whose sum is σ = 13322243238. Its totient is φ = 13322243236.

The previous prime is 13322243197. The next prime is 13322243261. The reversal of 13322243237 is 73234222331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11629249921 + 1692993316 = 107839^2 + 41146^2 .

It is a cyclic number.

It is not a de Polignac number, because 13322243237 - 2¹⁸ = 13321981093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13322243267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661121618 + 6661121619.

It is an arithmetic number, because the mean of its divisors is an integer number (6661121619).

Almost surely, 2^13322243237 is an apocalyptic number.

It is an amenable number.

13322243237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13322243237 is an equidigital number, since it uses as much as digits as its factorization.

13322243237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 32.

Adding to 13322243237 its reverse (73234222331), we get a palindrome (86556465568).

The spelling of 13322243237 in words is "thirteen billion, three hundred twenty-two million, two hundred forty-three thousand, two hundred thirty-seven".