225530065 has 8 divisors (see below), whose sum is σ = 282403008. Its totient is φ = 172579440.

The previous prime is 225530051. The next prime is 225530099. The reversal of 225530065 is 560035522.

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

It is not a de Polignac number, because 225530065 - 2¹⁹ = 225005777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980451 + ... + 980680.

It is an arithmetic number, because the mean of its divisors is an integer number (35300376).

Almost surely, 2^225530065 is an apocalyptic number.

It is an amenable number.

225530065 is a deficient number, since it is larger than the sum of its proper divisors (56872943).

225530065 is a wasteful number, since it uses less digits than its factorization.

225530065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961159.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 225530065 is about 15017.6584393174. The cubic root of 225530065 is about 608.6974490375.

Adding to 225530065 its reverse (560035522), we get a palindrome (785565587).

The spelling of 225530065 in words is "two hundred twenty-five million, five hundred thirty thousand, sixty-five".