2220343243 has 2 divisors, whose sum is σ = 2220343244. Its totient is φ = 2220343242.

The previous prime is 2220343231. The next prime is 2220343261. The reversal of 2220343243 is 3423430222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220343243 - 2²¹ = 2218246091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220347243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110171621 + 1110171622.

It is an arithmetic number, because the mean of its divisors is an integer number (1110171622).

Almost surely, 2^2220343243 is an apocalyptic number.

2220343243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220343243 is an equidigital number, since it uses as much as digits as its factorization.

2220343243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 2220343243 is about 47120.5182802566. The cubic root of 2220343243 is about 1304.5879789305.

Adding to 2220343243 its reverse (3423430222), we get a palindrome (5643773465).

The spelling of 2220343243 in words is "two billion, two hundred twenty million, three hundred forty-three thousand, two hundred forty-three".