225554 has 8 divisors (see below), whose sum is σ = 386688. Its totient is φ = 96660.

The previous prime is 225529. The next prime is 225569. The reversal of 225554 is 455522.

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

It is a Curzon number.

It is a nialpdrome in base 12.

It is an unprimeable number.

225554 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8042 + ... + 8069.

It is an arithmetic number, because the mean of its divisors is an integer number (48336).

2²²⁵⁵⁵⁴ is an apocalyptic number.

225554 is a deficient number, since it is larger than the sum of its proper divisors (161134).

225554 is a wasteful number, since it uses less digits than its factorization.

225554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120.

The product of its digits is 2000, while the sum is 23.

The square root of 225554 is about 474.9252572774. The cubic root of 225554 is about 60.8718981508.

The spelling of 225554 in words is "two hundred twenty-five thousand, five hundred fifty-four".