227805 has 8 divisors (see below), whose sum is σ = 364512. Its totient is φ = 121488.

The previous prime is 227797. The next prime is 227827. The reversal of 227805 is 508722.

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

It is not a de Polignac number, because 227805 - 2³ = 227797 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7579 + ... + 7608.

It is an arithmetic number, because the mean of its divisors is an integer number (45564).

2²²⁷⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

227805 is a deficient number, since it is larger than the sum of its proper divisors (136707).

227805 is a wasteful number, since it uses less digits than its factorization.

227805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15195.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 227805 is about 477.2892204942. The cubic root of 227805 is about 61.0737261395.

The spelling of 227805 in words is "two hundred twenty-seven thousand, eight hundred five".