222123120222 has 48 divisors (see below), whose sum is σ = 468965017872. Its totient is φ = 70128167040.

The previous prime is 222123120209. The next prime is 222123120223. The reversal of 222123120222 is 222021321222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222123120223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12686178 + ... + 12703674.

It is an arithmetic number, because the mean of its divisors is an integer number (9770104539).

Almost surely, 2^222123120222 is an apocalyptic number.

222123120222 is an abundant number, since it is smaller than the sum of its proper divisors (246841897650).

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

222123120222 is a wasteful number, since it uses less digits than its factorization.

222123120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23401 (or 23382 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222123120222 its reverse (222021321222), we get a palindrome (444144441444).

The spelling of 222123120222 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred twenty thousand, two hundred twenty-two".