222200212 has 48 divisors (see below), whose sum is σ = 443116800. Its totient is φ = 96647040.

The previous prime is 222200191. The next prime is 222200227. The reversal of 222200212 is 212002222.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 222200192 and 222200201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235662 + ... + 236602.

It is an arithmetic number, because the mean of its divisors is an integer number (9231600).

Almost surely, 2^222200212 is an apocalyptic number.

It is an amenable number.

222200212 is a deficient number, since it is larger than the sum of its proper divisors (220916588).

222200212 is a wasteful number, since it uses less digits than its factorization.

222200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 222200212 is about 14906.3815864213. The cubic root of 222200212 is about 605.6868660031.

Adding to 222200212 its reverse (212002222), we get a palindrome (434202434).

The spelling of 222200212 in words is "two hundred twenty-two million, two hundred thousand, two hundred twelve".