240228 has 18 divisors (see below), whose sum is σ = 607334. Its totient is φ = 80064.

The previous prime is 240209. The next prime is 240257. The reversal of 240228 is 822042.

240228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 142884 + 97344 = 378^2 + 312^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 240228.

It is an unprimeable number.

240228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3301 + ... + 3372.

2²⁴⁰²²⁸ is an apocalyptic number.

It is an amenable number.

240228 is an abundant number, since it is smaller than the sum of its proper divisors (367106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240228 is a wasteful number, since it uses less digits than its factorization.

240228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683 (or 6678 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 240228 is about 490.1305948418. The cubic root of 240228 is about 62.1643230298.

The spelling of 240228 in words is "two hundred forty thousand, two hundred twenty-eight".