13222223789 has 2 divisors, whose sum is σ = 13222223790. Its totient is φ = 13222223788.

The previous prime is 13222223761. The next prime is 13222223797. The reversal of 13222223789 is 98732222231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9958044100 + 3264179689 = 99790^2 + 57133^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222223789 - 2⁸ = 13222223533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13222223719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611111894 + 6611111895.

It is an arithmetic number, because the mean of its divisors is an integer number (6611111895).

Almost surely, 2^13222223789 is an apocalyptic number.

It is an amenable number.

13222223789 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222223789 is an equidigital number, since it uses as much as digits as its factorization.

13222223789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The spelling of 13222223789 in words is "thirteen billion, two hundred twenty-two million, two hundred twenty-three thousand, seven hundred eighty-nine".