223320212 has 6 divisors (see below), whose sum is σ = 390810378. Its totient is φ = 111660104.

The previous prime is 223320193. The next prime is 223320257. The reversal of 223320212 is 212023322.

223320212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 134884996 + 88435216 = 11614^2 + 9404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27915023 + ... + 27915030.

It is an arithmetic number, because the mean of its divisors is an integer number (65135063).

Almost surely, 2^223320212 is an apocalyptic number.

It is an amenable number.

223320212 is a deficient number, since it is larger than the sum of its proper divisors (167490166).

223320212 is a wasteful number, since it uses less digits than its factorization.

223320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55830057 (or 55830055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 223320212 is about 14943.9021677740. The cubic root of 223320212 is about 606.7028156753.

Adding to 223320212 its reverse (212023322), we get a palindrome (435343534).

The spelling of 223320212 in words is "two hundred twenty-three million, three hundred twenty thousand, two hundred twelve".