223028 has 12 divisors (see below), whose sum is σ = 420420. Its totient is φ = 102912.

The previous prime is 223019. The next prime is 223037. The reversal of 223028 is 820322.

It is an interprime number because it is at equal distance from previous prime (223019) and next prime (223037).

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 94864 = 358^2 + 308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222997 and 223015.

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, 2093 + ... + 2196.

It is an arithmetic number, because the mean of its divisors is an integer number (35035).

2²²³⁰²⁸ is an apocalyptic number.

It is an amenable number.

223028 is a deficient number, since it is larger than the sum of its proper divisors (197392).

223028 is a wasteful number, since it uses less digits than its factorization.

223028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 223028 is about 472.2584038426. The cubic root of 223028 is about 60.6438078890.

It can be divided in two parts, 2 and 23028, that multiplied together give a triangular number (46056 = T₃₀₃).

The spelling of 223028 in words is "two hundred twenty-three thousand, twenty-eight".