13222221307 has 2 divisors, whose sum is σ = 13222221308. Its totient is φ = 13222221306.

The previous prime is 13222221263. The next prime is 13222221361. The reversal of 13222221307 is 70312222231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13222221307 - 2⁷ = 13222221179 is a prime.

It is not a weakly prime, because it can be changed into another prime (13222227307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611110653 + 6611110654.

It is an arithmetic number, because the mean of its divisors is an integer number (6611110654).

Almost surely, 2^13222221307 is an apocalyptic number.

13222221307 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222221307 is an equidigital number, since it uses as much as digits as its factorization.

13222221307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 13222221307 its reverse (70312222231), we get a palindrome (83534443538).

The spelling of 13222221307 in words is "thirteen billion, two hundred twenty-two million, two hundred twenty-one thousand, three hundred seven".