4420220443 has 2 divisors, whose sum is σ = 4420220444. Its totient is φ = 4420220442.

The previous prime is 4420220423. The next prime is 4420220449. The reversal of 4420220443 is 3440220244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4420220443 - 2⁹ = 4420219931 is a prime.

It is not a weakly prime, because it can be changed into another prime (4420220449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210110221 + 2210110222.

It is an arithmetic number, because the mean of its divisors is an integer number (2210110222).

Almost surely, 2^4420220443 is an apocalyptic number.

4420220443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420220443 is an equidigital number, since it uses as much as digits as its factorization.

4420220443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 4420220443 is about 66484.7384216859. The cubic root of 4420220443 is about 1641.1488632313.

Adding to 4420220443 its reverse (3440220244), we get a palindrome (7860440687).

The spelling of 4420220443 in words is "four billion, four hundred twenty million, two hundred twenty thousand, four hundred forty-three".