34220443 has 2 divisors, whose sum is σ = 34220444. Its totient is φ = 34220442.

The previous prime is 34220401. The next prime is 34220447. The reversal of 34220443 is 34402243.

It is a strong prime.

It is an emirp because it is prime and its reverse (34402243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34220443 is a prime.

It is not a weakly prime, because it can be changed into another prime (34220447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17110221 + 17110222.

It is an arithmetic number, because the mean of its divisors is an integer number (17110222).

Almost surely, 2^34220443 is an apocalyptic number.

34220443 is a deficient number, since it is larger than the sum of its proper divisors (1).

34220443 is an equidigital number, since it uses as much as digits as its factorization.

34220443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 34220443 is about 5849.8241853922. The cubic root of 34220443 is about 324.6598192015.

Adding to 34220443 its reverse (34402243), we get a palindrome (68622686).

The spelling of 34220443 in words is "thirty-four million, two hundred twenty thousand, four hundred forty-three".