422443135 has 4 divisors (see below), whose sum is σ = 506931768. Its totient is φ = 337954504.

The previous prime is 422443129. The next prime is 422443157. The reversal of 422443135 is 531344224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422443135 - 2⁵ = 422443103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42244309 + ... + 42244318.

It is an arithmetic number, because the mean of its divisors is an integer number (126732942).

Almost surely, 2^422443135 is an apocalyptic number.

422443135 is a deficient number, since it is larger than the sum of its proper divisors (84488633).

422443135 is an equidigital number, since it uses as much as digits as its factorization.

422443135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84488632.

The product of its digits is 11520, while the sum is 28.

The square root of 422443135 is about 20553.4214913235. The cubic root of 422443135 is about 750.3365215743.

Adding to 422443135 its reverse (531344224), we get a palindrome (953787359).

The spelling of 422443135 in words is "four hundred twenty-two million, four hundred forty-three thousand, one hundred thirty-five".