4224443 has 2 divisors, whose sum is σ = 4224444. Its totient is φ = 4224442.

The previous prime is 4224439. The next prime is 4224457. The reversal of 4224443 is 3444224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4224443 - 2² = 4224439 is a prime.

It is not a weakly prime, because it can be changed into another prime (4224743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112221 + 2112222.

It is an arithmetic number, because the mean of its divisors is an integer number (2112222).

Almost surely, 2^4224443 is an apocalyptic number.

4224443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224443 is an equidigital number, since it uses as much as digits as its factorization.

4224443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 23.

The square root of 4224443 is about 2055.3449832084. The cubic root of 4224443 is about 161.6552517300.

Adding to 4224443 its reverse (3444224), we get a palindrome (7668667).

The spelling of 4224443 in words is "four million, two hundred twenty-four thousand, four hundred forty-three".