2243121322279 has 2 divisors, whose sum is σ = 2243121322280. Its totient is φ = 2243121322278.

The previous prime is 2243121322201. The next prime is 2243121322289. The reversal of 2243121322279 is 9722231213422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2243121322279 - 2⁹ = 2243121321767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243121322289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121560661139 + 1121560661140.

It is an arithmetic number, because the mean of its divisors is an integer number (1121560661140).

Almost surely, 2^{2243121322279} is an apocalyptic number.

2243121322279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243121322279 is an equidigital number, since it uses as much as digits as its factorization.

2243121322279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The spelling of 2243121322279 in words is "two trillion, two hundred forty-three billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred seventy-nine".