2221063543 has 2 divisors, whose sum is σ = 2221063544. Its totient is φ = 2221063542.

The previous prime is 2221063531. The next prime is 2221063553. The reversal of 2221063543 is 3453601222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221063543 - 2¹⁷ = 2220932471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221063553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110531771 + 1110531772.

It is an arithmetic number, because the mean of its divisors is an integer number (1110531772).

Almost surely, 2^2221063543 is an apocalyptic number.

2221063543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221063543 is an equidigital number, since it uses as much as digits as its factorization.

2221063543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2221063543 is about 47128.1608276835. The cubic root of 2221063543 is about 1304.7290371696.

Adding to 2221063543 its reverse (3453601222), we get a palindrome (5674664765).

The spelling of 2221063543 in words is "two billion, two hundred twenty-one million, sixty-three thousand, five hundred forty-three".