222112212 has 48 divisors (see below), whose sum is σ = 593682432. Its totient is φ = 63312480.

The previous prime is 222112201. The next prime is 222112217. The reversal of 222112212 is 212211222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222112191 and 222112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36037 + ... + 41747.

It is an arithmetic number, because the mean of its divisors is an integer number (12368384).

Almost surely, 2^222112212 is an apocalyptic number.

It is an amenable number.

222112212 is an abundant number, since it is smaller than the sum of its proper divisors (371570220).

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

222112212 is a wasteful number, since it uses less digits than its factorization.

222112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188 (or 6186 counting only the distinct ones).

The product of its digits is 64, while the sum is 15.

The square root of 222112212 is about 14903.4295381969. The cubic root of 222112212 is about 605.6068968593.

Adding to 222112212 its reverse (212211222), we get a palindrome (434323434).

The spelling of 222112212 in words is "two hundred twenty-two million, one hundred twelve thousand, two hundred twelve".