222110212 has 12 divisors (see below), whose sum is σ = 392700700. Its totient is φ = 109910016.

The previous prime is 222110153. The next prime is 222110249. The reversal of 222110212 is 212011222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 152621316 + 69488896 = 12354^2 + 8336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222110192 and 222110201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285837 + ... + 286612.

Almost surely, 2^222110212 is an apocalyptic number.

It is an amenable number.

222110212 is a deficient number, since it is larger than the sum of its proper divisors (170590488).

222110212 is a wasteful number, since it uses less digits than its factorization.

222110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572550 (or 572548 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222110212 is about 14903.3624393960. The cubic root of 222110212 is about 605.6050791333.

Adding to 222110212 its reverse (212011222), we get a palindrome (434121434).

The spelling of 222110212 in words is "two hundred twenty-two million, one hundred ten thousand, two hundred twelve".