225860765 has 16 divisors (see below), whose sum is σ = 299773488. Its totient is φ = 162279936.

The previous prime is 225860741. The next prime is 225860777. The reversal of 225860765 is 567068522.

It can be written as a sum of positive squares in 8 ways, for example, as 470596 + 225390169 = 686^2 + 15013^2 .

It is not a de Polignac number, because 225860765 - 2¹⁸ = 225598621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44552 + ... + 49361.

It is an arithmetic number, because the mean of its divisors is an integer number (18735843).

Almost surely, 2^225860765 is an apocalyptic number.

It is an amenable number.

225860765 is a deficient number, since it is larger than the sum of its proper divisors (73912723).

225860765 is a wasteful number, since it uses less digits than its factorization.

225860765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93968.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 225860765 is about 15028.6647776840. The cubic root of 225860765 is about 608.9948194982.

The spelling of 225860765 in words is "two hundred twenty-five million, eight hundred sixty thousand, seven hundred sixty-five".