855227 has 4 divisors (see below), whose sum is σ = 875160. Its totient is φ = 835296.

The previous prime is 855221. The next prime is 855229. The reversal of 855227 is 722558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722558 = 2 ⋅361279.

It is a cyclic number.

It is not a de Polignac number, because 855227 - 2¹² = 851131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 855227.

It is not an unprimeable number, because it can be changed into a prime (855221) 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 3 ways as a sum of consecutive naturals, for example, 9902 + ... + 9987.

It is an arithmetic number, because the mean of its divisors is an integer number (218790).

2⁸⁵⁵²²⁷ is an apocalyptic number.

855227 is a deficient number, since it is larger than the sum of its proper divisors (19933).

855227 is a wasteful number, since it uses less digits than its factorization.

855227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19932.

The product of its digits is 5600, while the sum is 29.

The square root of 855227 is about 924.7848398411. The cubic root of 855227 is about 94.9205984742.

The spelling of 855227 in words is "eight hundred fifty-five thousand, two hundred twenty-seven".