224340525 has 18 divisors (see below), whose sum is σ = 401819210. Its totient is φ = 119648160.

The previous prime is 224340499. The next prime is 224340527. The reversal of 224340525 is 525043422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 34644996 + 189695529 = 5886^2 + 13773^2 .

It is not a de Polignac number, because 224340525 - 2¹⁴ = 224324141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224340527) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 498310 + ... + 498759.

Almost surely, 2^224340525 is an apocalyptic number.

224340525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224340525 is a deficient number, since it is larger than the sum of its proper divisors (177478685).

224340525 is a wasteful number, since it uses less digits than its factorization.

224340525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997085 (or 997077 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 224340525 is about 14978.0013686740. The cubic root of 224340525 is about 607.6253869114.

Adding to 224340525 its reverse (525043422), we get a palindrome (749383947).

The spelling of 224340525 in words is "two hundred twenty-four million, three hundred forty thousand, five hundred twenty-five".