422102543 has 2 divisors, whose sum is σ = 422102544. Its totient is φ = 422102542.

The previous prime is 422102521. The next prime is 422102561. The reversal of 422102543 is 345201224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422102543 - 2⁸ = 422102287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422102143) 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, 211051271 + 211051272.

It is an arithmetic number, because the mean of its divisors is an integer number (211051272).

Almost surely, 2^422102543 is an apocalyptic number.

422102543 is a deficient number, since it is larger than the sum of its proper divisors (1).

422102543 is an equidigital number, since it uses as much as digits as its factorization.

422102543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 422102543 is about 20545.1342901428. The cubic root of 422102543 is about 750.1348160610.

Adding to 422102543 its reverse (345201224), we get a palindrome (767303767).

The spelling of 422102543 in words is "four hundred twenty-two million, one hundred two thousand, five hundred forty-three".