218000227 has 2 divisors, whose sum is σ = 218000228. Its totient is φ = 218000226.

The previous prime is 218000191. The next prime is 218000267. The reversal of 218000227 is 722000812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218000227 - 2⁷ = 218000099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218000198 and 218000207.

It is not a weakly prime, because it can be changed into another prime (218000267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109000113 + 109000114.

It is an arithmetic number, because the mean of its divisors is an integer number (109000114).

Almost surely, 2^218000227 is an apocalyptic number.

218000227 is a deficient number, since it is larger than the sum of its proper divisors (1).

218000227 is an equidigital number, since it uses as much as digits as its factorization.

218000227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 218000227 is about 14764.8307474214. The cubic root of 218000227 is about 601.8463743782.

The spelling of 218000227 in words is "two hundred eighteen million, two hundred twenty-seven", and thus it is an aban number.