225640304265 has 8 divisors (see below), whose sum is σ = 361024486848. Its totient is φ = 120341495600.

The previous prime is 225640304203. The next prime is 225640304269. The reversal of 225640304265 is 562403046522.

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

It is not a de Polignac number, because 225640304265 - 2¹² = 225640300169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225640304269) 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, 7521343461 + ... + 7521343490.

It is an arithmetic number, because the mean of its divisors is an integer number (45128060856).

Almost surely, 2^225640304265 is an apocalyptic number.

It is an amenable number.

225640304265 is a deficient number, since it is larger than the sum of its proper divisors (135384182583).

225640304265 is a wasteful number, since it uses less digits than its factorization.

225640304265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15042686959.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 225640304265 in words is "two hundred twenty-five billion, six hundred forty million, three hundred four thousand, two hundred sixty-five".