422334020 has 12 divisors (see below), whose sum is σ = 886901484. Its totient is φ = 168933600.

The previous prime is 422334019. The next prime is 422334041. The reversal of 422334020 is 20433224.

It can be written as a sum of positive squares in 2 ways, for example, as 272712196 + 149621824 = 16514^2 + 12232^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 21116701 = 422334020 / (4 + 2 + 2 + 3 + 3 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 422333983 and 422334001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10558331 + ... + 10558370.

It is an arithmetic number, because the mean of its divisors is an integer number (73908457).

Almost surely, 2^422334020 is an apocalyptic number.

It is an amenable number.

422334020 is an abundant number, since it is smaller than the sum of its proper divisors (464567464).

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

422334020 is a wasteful number, since it uses less digits than its factorization.

422334020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21116710 (or 21116708 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 422334020 is about 20550.7668956660. The cubic root of 422334020 is about 750.2719132575.

Adding to 422334020 its reverse (20433224), we get a palindrome (442767244).

The spelling of 422334020 in words is "four hundred twenty-two million, three hundred thirty-four thousand, twenty".