4243224443 has 4 divisors (see below), whose sum is σ = 4243698480. Its totient is φ = 4242750408.

The previous prime is 4243224373. The next prime is 4243224473. The reversal of 4243224443 is 3444223424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4243224443 - 2⁸ = 4243224187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243224473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223328 + ... + 241581.

It is an arithmetic number, because the mean of its divisors is an integer number (1060924620).

Almost surely, 2^4243224443 is an apocalyptic number.

4243224443 is a deficient number, since it is larger than the sum of its proper divisors (474037).

4243224443 is an equidigital number, since it uses as much as digits as its factorization.

4243224443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474036.

The product of its digits is 73728, while the sum is 32.

The square root of 4243224443 is about 65140.0371737689. The cubic root of 4243224443 is about 1618.9446516411.

Adding to 4243224443 its reverse (3444223424), we get a palindrome (7687447867).

The spelling of 4243224443 in words is "four billion, two hundred forty-three million, two hundred twenty-four thousand, four hundred forty-three".