422022220 has 24 divisors (see below), whose sum is σ = 914836608. Its totient is φ = 163363200.

The previous prime is 422022203. The next prime is 422022233. The reversal of 422022220 is 22220224.

It is a super-3 number, since 3×422022220³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422022194 and 422022203.

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 7 ways as a sum of consecutive naturals, for example, 339721 + ... + 340960.

It is an arithmetic number, because the mean of its divisors is an integer number (38118192).

Almost surely, 2^422022220 is an apocalyptic number.

It is an amenable number.

422022220 is an abundant number, since it is smaller than the sum of its proper divisors (492814388).

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

422022220 is a wasteful number, since it uses less digits than its factorization.

422022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680721 (or 680719 counting only the distinct ones).

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

The square root of 422022220 is about 20543.1794033932. The cubic root of 422022220 is about 750.0872313353.

Adding to 422022220 its reverse (22220224), we get a palindrome (444242444).

The spelling of 422022220 in words is "four hundred twenty-two million, twenty-two thousand, two hundred twenty".