320042422 has 24 divisors (see below), whose sum is σ = 587836440. Its totient is φ = 129941280.

The previous prime is 320042407. The next prime is 320042431. The reversal of 320042422 is 224240023.

320042422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 320042422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84079 + ... + 87802.

It is an arithmetic number, because the mean of its divisors is an integer number (24493185).

Almost surely, 2^320042422 is an apocalyptic number.

320042422 is a deficient number, since it is larger than the sum of its proper divisors (267794018).

320042422 is a wasteful number, since it uses less digits than its factorization.

320042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171916 (or 171909 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 320042422 is about 17889.7295116500. The cubic root of 320042422 is about 684.0206025850.

Adding to 320042422 its reverse (224240023), we get a palindrome (544282445).

The spelling of 320042422 in words is "three hundred twenty million, forty-two thousand, four hundred twenty-two".