222123422 has 8 divisors (see below), whose sum is σ = 336134016. Its totient is φ = 110078752.

The previous prime is 222123379. The next prime is 222123437. The reversal of 222123422 is 224321222.

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 = 222123394 and 222123403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491198 + ... + 491649.

It is an arithmetic number, because the mean of its divisors is an integer number (42016752).

Almost surely, 2^222123422 is an apocalyptic number.

222123422 is a deficient number, since it is larger than the sum of its proper divisors (114010594).

222123422 is a wasteful number, since it uses less digits than its factorization.

222123422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982962.

The product of its digits is 768, while the sum is 20.

The square root of 222123422 is about 14903.8056213841. The cubic root of 222123422 is about 605.6170850116.

Adding to 222123422 its reverse (224321222), we get a palindrome (446444644).

The spelling of 222123422 in words is "two hundred twenty-two million, one hundred twenty-three thousand, four hundred twenty-two".