225473 has 4 divisors (see below), whose sum is σ = 237360. Its totient is φ = 213588.

The previous prime is 225461. The next prime is 225479. The reversal of 225473 is 374522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225473 - 2⁴ = 225457 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225473.

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 3 ways as a sum of consecutive naturals, for example, 5915 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (59340).

2²²⁵⁴⁷³ is an apocalyptic number.

It is an amenable number.

225473 is a deficient number, since it is larger than the sum of its proper divisors (11887).

225473 is a wasteful number, since it uses less digits than its factorization.

225473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11886.

The product of its digits is 1680, while the sum is 23.

The square root of 225473 is about 474.8399730436. The cubic root of 225473 is about 60.8646105920.

Adding to 225473 its reverse (374522), we get a palindrome (599995).

The spelling of 225473 in words is "two hundred twenty-five thousand, four hundred seventy-three".