422024220 has 72 divisors (see below), whose sum is σ = 1314759264. Its totient is φ = 109496448.

The previous prime is 422024209. The next prime is 422024243. The reversal of 422024220 is 22420224.

422024220 is a `hidden beast` number, since 42 + 202 + 422 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 422024193 and 422024202.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 25024 + ... + 38343.

Almost surely, 2^422024220 is an apocalyptic number.

It is an amenable number.

422024220 is an abundant number, since it is smaller than the sum of its proper divisors (892735044).

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

422024220 is a wasteful number, since it uses less digits than its factorization.

422024220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63419 (or 63414 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 422024220 is about 20543.2280812924. The cubic root of 422024220 is about 750.0884162430.

Adding to 422024220 its reverse (22420224), we get a palindrome (444444444).

The spelling of 422024220 in words is "four hundred twenty-two million, twenty-four thousand, two hundred twenty".