22444140332213 has 2 divisors, whose sum is σ = 22444140332214. Its totient is φ = 22444140332212.

The previous prime is 22444140332197. The next prime is 22444140332227. The reversal of 22444140332213 is 31223304144422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17605803389329 + 4838336942884 = 4195927^2 + 2199622^2 .

It is a cyclic number.

It is not a de Polignac number, because 22444140332213 - 2⁴ = 22444140332197 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 (22444140332413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222070166106 + 11222070166107.

It is an arithmetic number, because the mean of its divisors is an integer number (11222070166107).

Almost surely, 2^{22444140332213} is an apocalyptic number.

It is an amenable number.

22444140332213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22444140332213 is an equidigital number, since it uses as much as digits as its factorization.

22444140332213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 22444140332213 its reverse (31223304144422), we get a palindrome (53667444476635).

The spelling of 22444140332213 in words is "twenty-two trillion, four hundred forty-four billion, one hundred forty million, three hundred thirty-two thousand, two hundred thirteen".