224340565 has 8 divisors (see below), whose sum is σ = 270168408. Its totient is φ = 178832640.

The previous prime is 224340553. The next prime is 224340569. The reversal of 224340565 is 565043422.

It can be written as a sum of positive squares in 4 ways, for example, as 329476 + 224011089 = 574^2 + 14967^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-224340565 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224340569) 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, 78432 + ... + 81241.

It is an arithmetic number, because the mean of its divisors is an integer number (33771051).

Almost surely, 2^224340565 is an apocalyptic number.

It is an amenable number.

224340565 is a deficient number, since it is larger than the sum of its proper divisors (45827843).

224340565 is a wasteful number, since it uses less digits than its factorization.

224340565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159959.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 224340565 is about 14978.0027039656. The cubic root of 224340565 is about 607.6254230246.

Adding to 224340565 its reverse (565043422), we get a palindrome (789383987).

The spelling of 224340565 in words is "two hundred twenty-four million, three hundred forty thousand, five hundred sixty-five".