424143422 has 16 divisors (see below), whose sum is σ = 671587200. Its totient is φ = 200343960.

The previous prime is 424143413. The next prime is 424143449. The reversal of 424143422 is 224341424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 424143391 and 424143400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904 + ... + 29187.

It is an arithmetic number, because the mean of its divisors is an integer number (41974200).

Almost surely, 2^424143422 is an apocalyptic number.

424143422 is a deficient number, since it is larger than the sum of its proper divisors (247443778).

424143422 is a wasteful number, since it uses less digits than its factorization.

424143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31471.

The product of its digits is 6144, while the sum is 26.

The square root of 424143422 is about 20594.7425815425. The cubic root of 424143422 is about 751.3418479013.

Adding to 424143422 its reverse (224341424), we get a palindrome (648484846).

The spelling of 424143422 in words is "four hundred twenty-four million, one hundred forty-three thousand, four hundred twenty-two".