422324143 has 2 divisors, whose sum is σ = 422324144. Its totient is φ = 422324142.

The previous prime is 422324141. The next prime is 422324209. The reversal of 422324143 is 341423224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422324143 - 2¹ = 422324141 is a prime.

Together with 422324141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422324141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211162071 + 211162072.

It is an arithmetic number, because the mean of its divisors is an integer number (211162072).

Almost surely, 2^422324143 is an apocalyptic number.

422324143 is a deficient number, since it is larger than the sum of its proper divisors (1).

422324143 is an equidigital number, since it uses as much as digits as its factorization.

422324143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 422324143 is about 20550.5265869272. The cubic root of 422324143 is about 750.2660644166.

Adding to 422324143 its reverse (341423224), we get a palindrome (763747367).

The spelling of 422324143 in words is "four hundred twenty-two million, three hundred twenty-four thousand, one hundred forty-three".