224065 has 8 divisors (see below), whose sum is σ = 275688. Its totient is φ = 174720.

The previous prime is 224057. The next prime is 224069. The reversal of 224065 is 560422.

224065 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 4 ways, for example, as 29584 + 194481 = 172^2 + 441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 224065 - 2³ = 224057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342 + ... + 751.

It is an arithmetic number, because the mean of its divisors is an integer number (34461).

2²²⁴⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

224065 is a deficient number, since it is larger than the sum of its proper divisors (51623).

224065 is a wasteful number, since it uses less digits than its factorization.

224065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 224065 is about 473.3550464503. The cubic root of 224065 is about 60.7376532231.

Adding to 224065 its reverse (560422), we get a palindrome (784487).

The spelling of 224065 in words is "two hundred twenty-four thousand, sixty-five".