22243420013 has 2 divisors, whose sum is σ = 22243420014. Its totient is φ = 22243420012.

The previous prime is 22243419983. The next prime is 22243420027. The reversal of 22243420013 is 31002434222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11694692164 + 10548727849 = 108142^2 + 102707^2 .

It is a cyclic number.

It is not a de Polignac number, because 22243420013 - 2¹⁸ = 22243157869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22243620013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121710006 + 11121710007.

It is an arithmetic number, because the mean of its divisors is an integer number (11121710007).

Almost surely, 2^22243420013 is an apocalyptic number.

It is an amenable number.

22243420013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22243420013 is an equidigital number, since it uses as much as digits as its factorization.

22243420013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22243420013 its reverse (31002434222), we get a palindrome (53245854235).

The spelling of 22243420013 in words is "twenty-two billion, two hundred forty-three million, four hundred twenty thousand, thirteen".