223246216 has 8 divisors (see below), whose sum is σ = 418586670. Its totient is φ = 111623104.

The previous prime is 223246213. The next prime is 223246249. The reversal of 223246216 is 612642322.

It can be written as a sum of positive squares in only one way, i.e., 158508100 + 64738116 = 12590^2 + 8046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×223246216³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223246213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13952881 + ... + 13952896.

Almost surely, 2^223246216 is an apocalyptic number.

It is an amenable number.

223246216 is a deficient number, since it is larger than the sum of its proper divisors (195340454).

223246216 is a wasteful number, since it uses less digits than its factorization.

223246216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27905783 (or 27905779 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 223246216 is about 14941.4261702155. The cubic root of 223246216 is about 606.6357989903.

Adding to 223246216 its reverse (612642322), we get a palindrome (835888538).

The spelling of 223246216 in words is "two hundred twenty-three million, two hundred forty-six thousand, two hundred sixteen".