2243012443 has 16 divisors (see below), whose sum is σ = 2647434240. Its totient is φ = 1860509376.

The previous prime is 2243012423. The next prime is 2243012449. The reversal of 2243012443 is 3442103422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2243012443 - 2²¹ = 2240915291 is a prime.

It is a super-2 number, since 2×2243012443² = 10062209638905656498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243012449) 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 in 15 ways as a sum of consecutive naturals, for example, 9021 + ... + 67582.

It is an arithmetic number, because the mean of its divisors is an integer number (165464640).

Almost surely, 2^2243012443 is an apocalyptic number.

2243012443 is a deficient number, since it is larger than the sum of its proper divisors (404421797).

2243012443 is an equidigital number, since it uses as much as digits as its factorization.

2243012443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76746.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2243012443 is about 47360.4523099178. The cubic root of 2243012443 is about 1309.0128030515.

Adding to 2243012443 its reverse (3442103422), we get a palindrome (5685115865).

The spelling of 2243012443 in words is "two billion, two hundred forty-three million, twelve thousand, four hundred forty-three".