420323422 has 8 divisors (see below), whose sum is σ = 633654000. Its totient is φ = 209105424.

The previous prime is 420323417. The next prime is 420323429. The reversal of 420323422 is 224323024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 420323393 and 420323402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420323429) 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 in 3 ways as a sum of consecutive naturals, for example, 527647 + ... + 528442.

It is an arithmetic number, because the mean of its divisors is an integer number (79206750).

Almost surely, 2^420323422 is an apocalyptic number.

420323422 is a deficient number, since it is larger than the sum of its proper divisors (213330578).

420323422 is a wasteful number, since it uses less digits than its factorization.

420323422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056290.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 420323422 is about 20501.7907022777. The cubic root of 420323422 is about 749.0794168683.

Adding to 420323422 its reverse (224323024), we get a palindrome (644646446).

It can be divided in two parts, 42032 and 3422, that added together give a palindrome (45454).

The spelling of 420323422 in words is "four hundred twenty million, three hundred twenty-three thousand, four hundred twenty-two".