222200211222 has 36 divisors (see below), whose sum is σ = 529179296100. Its totient is φ = 67333396680.

The previous prime is 222200211209. The next prime is 222200211241. The reversal of 222200211222 is 222112002222.

222200211222 is a `hidden beast` number, since 222 + 200 + 21 + 1 + 222 = 666.

222200211222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222200211195 and 222200211204.

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 17 ways as a sum of consecutive naturals, for example, 51007972 + ... + 51012327.

Almost surely, 2^222200211222 is an apocalyptic number.

222200211222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222200211222 is an abundant number, since it is smaller than the sum of its proper divisors (306979084878).

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

222200211222 is a wasteful number, since it uses less digits than its factorization.

222200211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102020329 (or 102020315 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222200211222 its reverse (222112002222), we get a palindrome (444312213444).

The spelling of 222200211222 in words is "two hundred twenty-two billion, two hundred million, two hundred eleven thousand, two hundred twenty-two".