2243399443 has 2 divisors, whose sum is σ = 2243399444. Its totient is φ = 2243399442.

The previous prime is 2243399437. The next prime is 2243399453. The reversal of 2243399443 is 3449933422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243399443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2243399443.

It is not a weakly prime, because it can be changed into another prime (2243399453) 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, 1121699721 + 1121699722.

It is an arithmetic number, because the mean of its divisors is an integer number (1121699722).

Almost surely, 2^2243399443 is an apocalyptic number.

2243399443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243399443 is an equidigital number, since it uses as much as digits as its factorization.

2243399443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 43.

The square root of 2243399443 is about 47364.5378210323. The cubic root of 2243399443 is about 1309.0880825897.

The spelling of 2243399443 in words is "two billion, two hundred forty-three million, three hundred ninety-nine thousand, four hundred forty-three".