225028585 has 4 divisors (see below), whose sum is σ = 270034308. Its totient is φ = 180022864.

The previous prime is 225028549. The next prime is 225028613. The reversal of 225028585 is 585820522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36433296 + 188595289 = 6036^2 + 13733^2 .

It is a cyclic number.

It is not a de Polignac number, because 225028585 - 2²⁷ = 90810857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22502854 + ... + 22502863.

It is an arithmetic number, because the mean of its divisors is an integer number (67508577).

Almost surely, 2^225028585 is an apocalyptic number.

It is an amenable number.

225028585 is a deficient number, since it is larger than the sum of its proper divisors (45005723).

225028585 is an equidigital number, since it uses as much as digits as its factorization.

225028585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45005722.

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 225028585 is about 15000.9528030722. The cubic root of 225028585 is about 608.2459554658.

The spelling of 225028585 in words is "two hundred twenty-five million, twenty-eight thousand, five hundred eighty-five".