422008222 has 8 divisors (see below), whose sum is σ = 635420016. Its totient is φ = 210201552.

The previous prime is 422008219. The next prime is 422008243. The reversal of 422008222 is 222800224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 422008193 and 422008202.

It is a congruent number.

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, 400623 + ... + 401674.

It is an arithmetic number, because the mean of its divisors is an integer number (79427502).

Almost surely, 2^422008222 is an apocalyptic number.

422008222 is a deficient number, since it is larger than the sum of its proper divisors (213411794).

422008222 is a wasteful number, since it uses less digits than its factorization.

422008222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802562.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 422008222 is about 20542.8387035483. The cubic root of 422008222 is about 750.0789380618.

Adding to 422008222 its reverse (222800224), we get a palindrome (644808446).

The spelling of 422008222 in words is "four hundred twenty-two million, eight thousand, two hundred twenty-two".