422205004 has 24 divisors (see below), whose sum is σ = 837574640. Its totient is φ = 184607424.

The previous prime is 422205001. The next prime is 422205011. The reversal of 422205004 is 400502224.

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

It is not an unprimeable number, because it can be changed into a prime (422205001) 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 7 ways as a sum of consecutive naturals, for example, 212679 + ... + 214654.

Almost surely, 2^422205004 is an apocalyptic number.

It is an amenable number.

422205004 is a deficient number, since it is larger than the sum of its proper divisors (415369636).

422205004 is a wasteful number, since it uses less digits than its factorization.

422205004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427369 (or 427367 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 422205004 is about 20547.6276976200. The cubic root of 422205004 is about 750.1955069575.

Adding to 422205004 its reverse (400502224), we get a palindrome (822707228).

The spelling of 422205004 in words is "four hundred twenty-two million, two hundred five thousand, four".