2220450443 has 2 divisors, whose sum is σ = 2220450444. Its totient is φ = 2220450442.

The previous prime is 2220450439. The next prime is 2220450451. The reversal of 2220450443 is 3440540222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220450443 - 2² = 2220450439 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2220450473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110225221 + 1110225222.

It is an arithmetic number, because the mean of its divisors is an integer number (1110225222).

Almost surely, 2^2220450443 is an apocalyptic number.

2220450443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220450443 is an equidigital number, since it uses as much as digits as its factorization.

2220450443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2220450443 is about 47121.6557752378. The cubic root of 2220450443 is about 1304.6089741199.

Adding to 2220450443 its reverse (3440540222), we get a palindrome (5660990665).

The spelling of 2220450443 in words is "two billion, two hundred twenty million, four hundred fifty thousand, four hundred forty-three".