2223212 has 12 divisors (see below), whose sum is σ = 3929856. Its totient is φ = 1100400.

The previous prime is 2223211. The next prime is 2223217. The reversal of 2223212 is 2123222.

2223212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2223211) by changing a digit.

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, 2348 + ... + 3155.

It is an arithmetic number, because the mean of its divisors is an integer number (327488).

2^2223212 is an apocalyptic number.

It is an amenable number.

2223212 is a deficient number, since it is larger than the sum of its proper divisors (1706644).

2223212 is a wasteful number, since it uses less digits than its factorization.

2223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608 (or 5606 counting only the distinct ones).

The product of its digits is 96, while the sum is 14.

The square root of 2223212 is about 1491.0439296010. The cubic root of 2223212 is about 130.5149594082.

Adding to 2223212 its reverse (2123222), we get a palindrome (4346434).

The spelling of 2223212 in words is "two million, two hundred twenty-three thousand, two hundred twelve".