225091585 has 16 divisors (see below), whose sum is σ = 272457792. Its totient is φ = 178516800.

The previous prime is 225091571. The next prime is 225091673. The reversal of 225091585 is 585190522.

It is not a de Polignac number, because 225091585 - 2⁵ = 225091553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458190 + ... + 458680.

It is an arithmetic number, because the mean of its divisors is an integer number (17028612).

Almost surely, 2^225091585 is an apocalyptic number.

It is an amenable number.

225091585 is a deficient number, since it is larger than the sum of its proper divisors (47366207).

225091585 is a wasteful number, since it uses less digits than its factorization.

225091585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 225091585 is about 15003.0525227368. The cubic root of 225091585 is about 608.3027125806.

The spelling of 225091585 in words is "two hundred twenty-five million, ninety-one thousand, five hundred eighty-five".