223133012 has 6 divisors (see below), whose sum is σ = 390482778. Its totient is φ = 111566504.

The previous prime is 223133011. The next prime is 223133033. The reversal of 223133012 is 210331322.

It can be written as a sum of positive squares in only one way, i.e., 207244816 + 15888196 = 14396^2 + 3986^2 .

It is a super-3 number, since 3×223133012³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223133011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27891623 + ... + 27891630.

It is an arithmetic number, because the mean of its divisors is an integer number (65080463).

Almost surely, 2^223133012 is an apocalyptic number.

It is an amenable number.

223133012 is a deficient number, since it is larger than the sum of its proper divisors (167349766).

223133012 is a wasteful number, since it uses less digits than its factorization.

223133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55783257 (or 55783255 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 223133012 is about 14937.6374303301. The cubic root of 223133012 is about 606.5332437471.

Adding to 223133012 its reverse (210331322), we get a palindrome (433464334).

The spelling of 223133012 in words is "two hundred twenty-three million, one hundred thirty-three thousand, twelve".