225874439 has 4 divisors (see below), whose sum is σ = 258142224. Its totient is φ = 193606656.

The previous prime is 225874423. The next prime is 225874447. The reversal of 225874439 is 934478522.

225874439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225874439 - 2⁴ = 225874423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225874439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225874409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16133882 + ... + 16133895.

It is an arithmetic number, because the mean of its divisors is an integer number (64535556).

Almost surely, 2^225874439 is an apocalyptic number.

225874439 is a deficient number, since it is larger than the sum of its proper divisors (32267785).

225874439 is an equidigital number, since it uses as much as digits as its factorization.

225874439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32267784.

The product of its digits is 483840, while the sum is 44.

The square root of 225874439 is about 15029.1197014329. The cubic root of 225874439 is about 609.0071091156.

The spelling of 225874439 in words is "two hundred twenty-five million, eight hundred seventy-four thousand, four hundred thirty-nine".