422046220 has 12 divisors (see below), whose sum is σ = 886297104. Its totient is φ = 168818480.

The previous prime is 422046217. The next prime is 422046227. The reversal of 422046220 is 22640224.

It is a junction number, because it is equal to n+sod(n) for n = 422046191 and 422046200.

It is not an unprimeable number, because it can be changed into a prime (422046227) 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, 10551136 + ... + 10551175.

It is an arithmetic number, because the mean of its divisors is an integer number (73858092).

Almost surely, 2^422046220 is an apocalyptic number.

It is an amenable number.

422046220 is an abundant number, since it is smaller than the sum of its proper divisors (464250884).

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

422046220 is a wasteful number, since it uses less digits than its factorization.

422046220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21102320 (or 21102318 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 422046220 is about 20543.7635305705. The cubic root of 422046220 is about 750.1014499803.

Adding to 422046220 its reverse (22640224), we get a palindrome (444686444).

The spelling of 422046220 in words is "four hundred twenty-two million, forty-six thousand, two hundred twenty".