422543411 has 2 divisors, whose sum is σ = 422543412. Its totient is φ = 422543410.

The previous prime is 422543399. The next prime is 422543453. The reversal of 422543411 is 114345224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422543411 is a prime.

It is not a weakly prime, because it can be changed into another prime (422543911) 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, 211271705 + 211271706.

It is an arithmetic number, because the mean of its divisors is an integer number (211271706).

Almost surely, 2^422543411 is an apocalyptic number.

422543411 is a deficient number, since it is larger than the sum of its proper divisors (1).

422543411 is an equidigital number, since it uses as much as digits as its factorization.

422543411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 26.

The square root of 422543411 is about 20555.8607457825. The cubic root of 422543411 is about 750.3958864026.

Adding to 422543411 its reverse (114345224), we get a palindrome (536888635).

The spelling of 422543411 in words is "four hundred twenty-two million, five hundred forty-three thousand, four hundred eleven".