8555227 has 2 divisors, whose sum is σ = 8555228. Its totient is φ = 8555226.

The previous prime is 8555221. The next prime is 8555279. The reversal of 8555227 is 7225558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8555227 - 2²³ = 166619 is a prime.

8555227 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8555192 and 8555201.

It is not a weakly prime, because it can be changed into another prime (8555221) 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 as a sum of consecutive naturals, namely, 4277613 + 4277614.

It is an arithmetic number, because the mean of its divisors is an integer number (4277614).

Almost surely, 2^8555227 is an apocalyptic number.

8555227 is a deficient number, since it is larger than the sum of its proper divisors (1).

8555227 is an equidigital number, since it uses as much as digits as its factorization.

8555227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28000, while the sum is 34.

The square root of 8555227 is about 2924.9319650207. The cubic root of 8555227 is about 204.5237965067.

The spelling of 8555227 in words is "eight million, five hundred fifty-five thousand, two hundred twenty-seven".