225546 has 8 divisors (see below), whose sum is σ = 451104. Its totient is φ = 75180.

The previous prime is 225529. The next prime is 225569. The reversal of 225546 is 645522.

It is a sphenic number, since it is the product of 3 distinct primes.

225546 is an admirable number.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 5³ + 5⁷ + 4⁴ + 6⁵ .

It is a Curzon 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, 18790 + ... + 18801.

It is an arithmetic number, because the mean of its divisors is an integer number (56388).

2²²⁵⁵⁴⁶ is an apocalyptic number.

225546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225546 is a wasteful number, since it uses less digits than its factorization.

225546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37596.

The product of its digits is 2400, while the sum is 24.

The square root of 225546 is about 474.9168348248. The cubic root of 225546 is about 60.8711784695.

Subtracting from 225546 its sum of digits (24), we obtain a palindrome (225522).

The spelling of 225546 in words is "two hundred twenty-five thousand, five hundred forty-six".