223528 has 8 divisors (see below), whose sum is σ = 419130. Its totient is φ = 111760.

The previous prime is 223507. The next prime is 223529. The reversal of 223528 is 825322.

It can be written as a sum of positive squares in only one way, i.e., 191844 + 31684 = 438^2 + 178^2 .

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

It is a d-powerful number, because it can be written as 2 + 2¹⁵ + 5³ + 3¹⁰ + 2¹⁷ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 223499 and 223508.

It is not an unprimeable number, because it can be changed into a prime (223529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13963 + ... + 13978.

2²²³⁵²⁸ is an apocalyptic number.

It is an amenable number.

223528 is a deficient number, since it is larger than the sum of its proper divisors (195602).

223528 is a wasteful number, since it uses less digits than its factorization.

223528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27947 (or 27943 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 223528 is about 472.7874786836. The cubic root of 223528 is about 60.6890925960.

The spelling of 223528 in words is "two hundred twenty-three thousand, five hundred twenty-eight".