223220056 has 16 divisors (see below), whose sum is σ = 440566200. Its totient is φ = 105735744.

The previous prime is 223220027. The next prime is 223220141. The reversal of 223220056 is 650022322.

It is a happy number.

It is a super-3 number, since 3×223220056³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734125 + ... + 734428.

Almost surely, 2^223220056 is an apocalyptic number.

It is an amenable number.

223220056 is a deficient number, since it is larger than the sum of its proper divisors (217346144).

223220056 is a wasteful number, since it uses less digits than its factorization.

223220056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468578 (or 1468574 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 223220056 is about 14940.5507261279. The cubic root of 223220056 is about 606.6121028628.

Adding to 223220056 its reverse (650022322), we get a palindrome (873242378).

The spelling of 223220056 in words is "two hundred twenty-three million, two hundred twenty thousand, fifty-six".