225302565 has 16 divisors (see below), whose sum is σ = 360676800. Its totient is φ = 120097152.

The previous prime is 225302531. The next prime is 225302569. The reversal of 225302565 is 565203522.

It is not a de Polignac number, because 225302565 - 2⁶ = 225302501 is a prime.

It is a super-2 number, since 2×225302565² = 101522491591158450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225302569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42006 + ... + 47064.

It is an arithmetic number, because the mean of its divisors is an integer number (22542300).

Almost surely, 2^225302565 is an apocalyptic number.

It is an amenable number.

225302565 is a deficient number, since it is larger than the sum of its proper divisors (135374235).

225302565 is a wasteful number, since it uses less digits than its factorization.

225302565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8036.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 225302565 is about 15010.0821117008. The cubic root of 225302565 is about 608.4927087685.

The spelling of 225302565 in words is "two hundred twenty-five million, three hundred two thousand, five hundred sixty-five".