22142221204013 has 2 divisors, whose sum is σ = 22142221204014. Its totient is φ = 22142221204012.

The previous prime is 22142221204007. The next prime is 22142221204073. The reversal of 22142221204013 is 31040212224122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16914975779524 + 5227245424489 = 4112782^2 + 2286317^2 .

It is a cyclic number.

It is not a de Polignac number, because 22142221204013 - 2²⁰ = 22142220155437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22142221204073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071110602006 + 11071110602007.

It is an arithmetic number, because the mean of its divisors is an integer number (11071110602007).

Almost surely, 2^{22142221204013} is an apocalyptic number.

It is an amenable number.

22142221204013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142221204013 is an equidigital number, since it uses as much as digits as its factorization.

22142221204013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 22142221204013 its reverse (31040212224122), we get a palindrome (53182433428135).

The spelling of 22142221204013 in words is "twenty-two trillion, one hundred forty-two billion, two hundred twenty-one million, two hundred four thousand, thirteen".