225475 has 12 divisors (see below), whose sum is σ = 290160. Its totient is φ = 173600.

The previous prime is 225461. The next prime is 225479. The reversal of 225475 is 574522.

225475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225475 - 2⁷ = 225347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

Its product of digits (2800) is a multiple of the sum of its prime factors (350).

It is a plaindrome in base 11.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (225479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570 + ... + 880.

It is an arithmetic number, because the mean of its divisors is an integer number (24180).

2²²⁵⁴⁷⁵ is an apocalyptic number.

225475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225475 is a deficient number, since it is larger than the sum of its proper divisors (64685).

225475 is a wasteful number, since it uses less digits than its factorization.

225475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 345 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 225475 is about 474.8420790115. The cubic root of 225475 is about 60.8647905527.

Adding to 225475 its reverse (574522), we get a palindrome (799997).

The spelling of 225475 in words is "two hundred twenty-five thousand, four hundred seventy-five".