422000404 has 24 divisors (see below), whose sum is σ = 861960960. Its totient is φ = 177008736.

The previous prime is 422000339. The next prime is 422000407. The reversal of 422000404 is 404000224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422000407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159019 + ... + 161650.

It is an arithmetic number, because the mean of its divisors is an integer number (35915040).

Almost surely, 2^422000404 is an apocalyptic number.

It is an amenable number.

422000404 is an abundant number, since it is smaller than the sum of its proper divisors (439960556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422000404 is a wasteful number, since it uses less digits than its factorization.

422000404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320727 (or 320725 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 422000404 is about 20542.6484173779. The cubic root of 422000404 is about 750.0743061194.

Adding to 422000404 its reverse (404000224), we get a palindrome (826000628).

The spelling of 422000404 in words is "four hundred twenty-two million, four hundred four", and thus it is an aban number.