422204020 has 48 divisors (see below), whose sum is σ = 1015660800. Its totient is φ = 144417024.

The previous prime is 422203981. The next prime is 422204023. The reversal of 422204020 is 20402224.

It is a junction number, because it is equal to n+sod(n) for n = 422203985 and 422204003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422204023) 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 15 ways as a sum of consecutive naturals, for example, 60681 + ... + 67279.

It is an arithmetic number, because the mean of its divisors is an integer number (21159600).

Almost surely, 2^422204020 is an apocalyptic number.

It is an amenable number.

422204020 is an abundant number, since it is smaller than the sum of its proper divisors (593456780).

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

422204020 is a wasteful number, since it uses less digits than its factorization.

422204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072 (or 7070 counting only the distinct ones).

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

The square root of 422204020 is about 20547.6037532360. The cubic root of 422204020 is about 750.1949241499.

Adding to 422204020 its reverse (20402224), we get a palindrome (442606244).

The spelling of 422204020 in words is "four hundred twenty-two million, two hundred four thousand, twenty".