422820304 has 20 divisors (see below), whose sum is σ = 823955076. Its totient is φ = 210186752.

The previous prime is 422820301. The next prime is 422820353. The reversal of 422820304 is 403028224.

It can be written as a sum of positive squares in 2 ways, for example, as 392040000 + 30780304 = 19800^2 + 5548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422820301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73609 + ... + 79144.

Almost surely, 2^422820304 is an apocalyptic number.

It is an amenable number.

422820304 is a deficient number, since it is larger than the sum of its proper divisors (401134772).

422820304 is a wasteful number, since it uses less digits than its factorization.

422820304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152934 (or 152928 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 422820304 is about 20562.5947778971. The cubic root of 422820304 is about 750.5597622658.

Adding to 422820304 its reverse (403028224), we get a palindrome (825848528).

The spelling of 422820304 in words is "four hundred twenty-two million, eight hundred twenty thousand, three hundred four".