223273228 has 24 divisors (see below), whose sum is σ = 398941200. Its totient is φ = 109305408.

The previous prime is 223273217. The next prime is 223273247. The reversal of 223273228 is 822372322.

It is a super-3 number, since 3×223273228³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223273228.

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 7 ways as a sum of consecutive naturals, for example, 61726 + ... + 65242.

It is an arithmetic number, because the mean of its divisors is an integer number (16622550).

Almost surely, 2^223273228 is an apocalyptic number.

It is an amenable number.

223273228 is a deficient number, since it is larger than the sum of its proper divisors (175667972).

223273228 is a wasteful number, since it uses less digits than its factorization.

223273228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849 (or 3847 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 223273228 is about 14942.3300726493. The cubic root of 223273228 is about 606.6602649300.

The spelling of 223273228 in words is "two hundred twenty-three million, two hundred seventy-three thousand, two hundred twenty-eight".