13222204109 has 2 divisors, whose sum is σ = 13222204110. Its totient is φ = 13222204108.

The previous prime is 13222204049. The next prime is 13222204147. The reversal of 13222204109 is 90140222231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7745760100 + 5476444009 = 88010^2 + 74003^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222204109 - 2²⁰ = 13221155533 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13222224109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611102054 + 6611102055.

It is an arithmetic number, because the mean of its divisors is an integer number (6611102055).

Almost surely, 2^13222204109 is an apocalyptic number.

It is an amenable number.

13222204109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222204109 is an equidigital number, since it uses as much as digits as its factorization.

13222204109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 13222204109 in words is "thirteen billion, two hundred twenty-two million, two hundred four thousand, one hundred nine".