212223304 has 32 divisors (see below), whose sum is σ = 405144000. Its totient is φ = 104195520.

The previous prime is 212223299. The next prime is 212223307. The reversal of 212223304 is 403322212.

It is not an unprimeable number, because it can be changed into a prime (212223307) 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 7 ways as a sum of consecutive naturals, for example, 320734 + ... + 321394.

It is an arithmetic number, because the mean of its divisors is an integer number (12660750).

Almost surely, 2^212223304 is an apocalyptic number.

It is an amenable number.

212223304 is a deficient number, since it is larger than the sum of its proper divisors (192920696).

212223304 is a wasteful number, since it uses less digits than its factorization.

212223304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 212223304 is about 14567.8860511743. The cubic root of 212223304 is about 596.4824779553.

Adding to 212223304 its reverse (403322212), we get a palindrome (615545516).

The spelling of 212223304 in words is "two hundred twelve million, two hundred twenty-three thousand, three hundred four".