222123011222 has 32 divisors (see below), whose sum is σ = 388801344000. Its totient is φ = 95134823784.

The previous prime is 222123011213. The next prime is 222123011263. The reversal of 222123011222 is 222110321222.

222123011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222123011222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222123011194 and 222123011203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980663 + ... + 1185725.

It is an arithmetic number, because the mean of its divisors is an integer number (12150042000).

Almost surely, 2^222123011222 is an apocalyptic number.

222123011222 is a deficient number, since it is larger than the sum of its proper divisors (166678332778).

222123011222 is a wasteful number, since it uses less digits than its factorization.

222123011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206665 (or 206651 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222123011222 its reverse (222110321222), we get a palindrome (444233332444).

The spelling of 222123011222 in words is "two hundred twenty-two billion, one hundred twenty-three million, eleven thousand, two hundred twenty-two".