422013043 has 2 divisors, whose sum is σ = 422013044. Its totient is φ = 422013042.

The previous prime is 422013037. The next prime is 422013079. The reversal of 422013043 is 340310224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422013043 - 2⁹ = 422012531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422013043.

It is not a weakly prime, because it can be changed into another prime (422013143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211006521 + 211006522.

It is an arithmetic number, because the mean of its divisors is an integer number (211006522).

Almost surely, 2^422013043 is an apocalyptic number.

422013043 is a deficient number, since it is larger than the sum of its proper divisors (1).

422013043 is an equidigital number, since it uses as much as digits as its factorization.

422013043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 422013043 is about 20542.9560433741. The cubic root of 422013043 is about 750.0817943385.

Adding to 422013043 its reverse (340310224), we get a palindrome (762323267).

The spelling of 422013043 in words is "four hundred twenty-two million, thirteen thousand, forty-three".