222112222222 has 8 divisors (see below), whose sum is σ = 363456363672. Its totient is φ = 100960101000.

The previous prime is 222112222187. The next prime is 222112222223. The reversal of 222112222222 is 222222211222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×222112222222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10096010101 = 222112222222 / (2 + 2 + 2 + 1 + 1 + 2 + 2 + 2 + 2 + 2 + 2 + 2).

It is a nude number because it is divisible by every one of its digits.

222112222222 is a modest number, since divided by 222222 gives 222112 as remainder.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222112222193 and 222112222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112222223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5048005029 + ... + 5048005072.

It is an arithmetic number, because the mean of its divisors is an integer number (45432045459).

Almost surely, 2^222112222222 is an apocalyptic number.

222112222222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222112222222 is a deficient number, since it is larger than the sum of its proper divisors (141344141450).

222112222222 is a wasteful number, since it uses less digits than its factorization.

222112222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096010114.

The product of its digits is 1024, while the sum is 22.

Adding to 222112222222 its reverse (222222211222), we get a palindrome (444334433444).

The spelling of 222112222222 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-two".