551227 has 4 divisors (see below), whose sum is σ = 554896. Its totient is φ = 547560.

The previous prime is 551219. The next prime is 551231. The reversal of 551227 is 722155.

551227 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 551227 - 2³ = 551219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551198 and 551207.

It is not an unprimeable number, because it can be changed into a prime (551207) 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, 1599 + ... + 1912.

It is an arithmetic number, because the mean of its divisors is an integer number (138724).

2⁵⁵¹²²⁷ is an apocalyptic number.

551227 is a deficient number, since it is larger than the sum of its proper divisors (3669).

551227 is a wasteful number, since it uses less digits than its factorization.

551227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668.

The product of its digits is 700, while the sum is 22.

The square root of 551227 is about 742.4466310786. The cubic root of 551227 is about 81.9930095171.

The spelling of 551227 in words is "five hundred fifty-one thousand, two hundred twenty-seven".