618227 has 2 divisors, whose sum is σ = 618228. Its totient is φ = 618226.

The previous prime is 618199. The next prime is 618229. The reversal of 618227 is 722816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618227 - 2⁸ = 617971 is a prime.

Together with 618229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 618196 and 618205.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 618227.

It is not a weakly prime, because it can be changed into another prime (618229) by changing a digit.

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 as a sum of consecutive naturals, namely, 309113 + 309114.

It is an arithmetic number, because the mean of its divisors is an integer number (309114).

2⁶¹⁸²²⁷ is an apocalyptic number.

618227 is a deficient number, since it is larger than the sum of its proper divisors (1).

618227 is an equidigital number, since it uses as much as digits as its factorization.

618227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 618227 is about 786.2741252261. The cubic root of 618227 is about 85.1888304842.

The spelling of 618227 in words is "six hundred eighteen thousand, two hundred twenty-seven".