225405165 has 8 divisors (see below), whose sum is σ = 360648288. Its totient is φ = 120216080.

The previous prime is 225405163. The next prime is 225405179. The reversal of 225405165 is 561504522.

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

It is not a de Polignac number, because 225405165 - 2¹ = 225405163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225405163) 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, 7513491 + ... + 7513520.

It is an arithmetic number, because the mean of its divisors is an integer number (45081036).

Almost surely, 2^225405165 is an apocalyptic number.

It is an amenable number.

225405165 is a deficient number, since it is larger than the sum of its proper divisors (135243123).

225405165 is a wasteful number, since it uses less digits than its factorization.

225405165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15027019.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 225405165 is about 15013.4994255170. The cubic root of 225405165 is about 608.5850614344.

Adding to 225405165 its reverse (561504522), we get a palindrome (786909687).

The spelling of 225405165 in words is "two hundred twenty-five million, four hundred five thousand, one hundred sixty-five".