636227 has 4 divisors (see below), whose sum is σ = 638400. Its totient is φ = 634056.

The previous prime is 636217. The next prime is 636241. The reversal of 636227 is 722636.

636227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 636227 - 2⁴ = 636211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 636196 and 636205.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 636227.

It is not an unprimeable number, because it can be changed into a prime (636217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563 + ... + 1260.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

2⁶³⁶²²⁷ is an apocalyptic number.

636227 is a deficient number, since it is larger than the sum of its proper divisors (2173).

636227 is a wasteful number, since it uses less digits than its factorization.

636227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its digits is 3024, while the sum is 26.

The square root of 636227 is about 797.6383892467. The cubic root of 636227 is about 86.0077061780.

The spelling of 636227 in words is "six hundred thirty-six thousand, two hundred twenty-seven".