222022222112 has 12 divisors (see below), whose sum is σ = 437106249846. Its totient is φ = 111011111040.

The previous prime is 222022222111. The next prime is 222022222141. The reversal of 222022222112 is 211222220222.

It can be written as a sum of positive squares in only one way, i.e., 192577034896 + 29445187216 = 438836^2 + 171596^2 .

It is a super-2 number, since 2×222022222112² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222022222111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469097189 + ... + 3469097252.

Almost surely, 2^222022222112 is an apocalyptic number.

It is an amenable number.

222022222112 is a deficient number, since it is larger than the sum of its proper divisors (215084027734).

222022222112 is an equidigital number, since it uses as much as digits as its factorization.

222022222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938194451 (or 6938194443 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222022222112 its reverse (211222220222), we get a palindrome (433244442334).

The spelling of 222022222112 in words is "two hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, one hundred twelve".