223012612 has 12 divisors (see below), whose sum is σ = 399791196. Its totient is φ = 108786560.

The previous prime is 223012607. The next prime is 223012637. The reversal of 223012612 is 216210322.

It can be written as a sum of positive squares in 2 ways, for example, as 25160256 + 197852356 = 5016^2 + 14066^2 .

It is a super-2 number, since 2×223012612² = 99469250222125088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223012612.

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 3 ways as a sum of consecutive naturals, for example, 679753 + ... + 680080.

It is an arithmetic number, because the mean of its divisors is an integer number (33315933).

Almost surely, 2^223012612 is an apocalyptic number.

It is an amenable number.

223012612 is a deficient number, since it is larger than the sum of its proper divisors (176778584).

223012612 is a wasteful number, since it uses less digits than its factorization.

223012612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359878 (or 1359876 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 223012612 is about 14933.6067980913. The cubic root of 223012612 is about 606.4241313383.

Adding to 223012612 its reverse (216210322), we get a palindrome (439222934).

The spelling of 223012612 in words is "two hundred twenty-three million, twelve thousand, six hundred twelve".