225854 has 4 divisors (see below), whose sum is σ = 338784. Its totient is φ = 112926.

The previous prime is 225839. The next prime is 225859. The reversal of 225854 is 458522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 458522 = 2 ⋅229261.

It is a d-powerful number, because it can be written as 2¹⁶ + 2¹⁶ + 8 + 5⁶ + 5⁷ + 4⁵ .

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225854.

It is not an unprimeable number, because it can be changed into a prime (225859) by changing a digit.

225854 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56462 + ... + 56465.

It is an arithmetic number, because the mean of its divisors is an integer number (84696).

2²²⁵⁸⁵⁴ is an apocalyptic number.

225854 is a deficient number, since it is larger than the sum of its proper divisors (112930).

225854 is a wasteful number, since it uses less digits than its factorization.

225854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112929.

The product of its digits is 3200, while the sum is 26.

The square root of 225854 is about 475.2409914980. The cubic root of 225854 is about 60.8988739217.

The spelling of 225854 in words is "two hundred twenty-five thousand, eight hundred fifty-four".