225959 has 8 divisors (see below), whose sum is σ = 240768. Its totient is φ = 211680.

The previous prime is 225949. The next prime is 225961. The reversal of 225959 is 959522.

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

It is a cyclic number.

It is not a de Polignac number, because 225959 - 2⁴ = 225943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225919) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1049 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (30096).

2²²⁵⁹⁵⁹ is an apocalyptic number.

225959 is a deficient number, since it is larger than the sum of its proper divisors (14809).

225959 is a wasteful number, since it uses less digits than its factorization.

225959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its digits is 8100, while the sum is 32.

The square root of 225959 is about 475.3514489302. The cubic root of 225959 is about 60.9083097978.

The spelling of 225959 in words is "two hundred twenty-five thousand, nine hundred fifty-nine".