222001112222 has 32 divisors (see below), whose sum is σ = 335546191872. Its totient is φ = 110156925024.

The previous prime is 222001112189. The next prime is 222001112227. The reversal of 222001112222 is 222211100222.

It is a happy number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 222001112222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001112227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 201269723 + ... + 201270825.

It is an arithmetic number, because the mean of its divisors is an integer number (10485818496).

Almost surely, 2^222001112222 is an apocalyptic number.

222001112222 is a deficient number, since it is larger than the sum of its proper divisors (113545079650).

222001112222 is a wasteful number, since it uses less digits than its factorization.

222001112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222001112222 its reverse (222211100222), we get a palindrome (444212212444).

The spelling of 222001112222 in words is "two hundred twenty-two billion, one million, one hundred twelve thousand, two hundred twenty-two".