2221302043 has 2 divisors, whose sum is σ = 2221302044. Its totient is φ = 2221302042.

The previous prime is 2221302029. The next prime is 2221302049. The reversal of 2221302043 is 3402031222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221302043 - 2⁹ = 2221301531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221302043.

It is not a weakly prime, because it can be changed into another prime (2221302049) 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, 1110651021 + 1110651022.

It is an arithmetic number, because the mean of its divisors is an integer number (1110651022).

Almost surely, 2^2221302043 is an apocalyptic number.

2221302043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221302043 is an equidigital number, since it uses as much as digits as its factorization.

2221302043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2221302043 is about 47130.6910940207. The cubic root of 2221302043 is about 1304.7757365296.

Adding to 2221302043 its reverse (3402031222), we get a palindrome (5623333265).

The spelling of 2221302043 in words is "two billion, two hundred twenty-one million, three hundred two thousand, forty-three".