2212345543 has 2 divisors, whose sum is σ = 2212345544. Its totient is φ = 2212345542.

The previous prime is 2212345529. The next prime is 2212345573. The reversal of 2212345543 is 3455432122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212345543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212345573) 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, 1106172771 + 1106172772.

It is an arithmetic number, because the mean of its divisors is an integer number (1106172772).

Almost surely, 2^2212345543 is an apocalyptic number.

2212345543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212345543 is an equidigital number, since it uses as much as digits as its factorization.

2212345543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 31.

The square root of 2212345543 is about 47035.5774175251. The cubic root of 2212345543 is about 1303.0197145224.

Adding to 2212345543 its reverse (3455432122), we get a palindrome (5667777665).

The spelling of 2212345543 in words is "two billion, two hundred twelve million, three hundred forty-five thousand, five hundred forty-three".