1806227 has 2 divisors, whose sum is σ = 1806228. Its totient is φ = 1806226.

The previous prime is 1806223. The next prime is 1806241. The reversal of 1806227 is 7226081.

It is a weak prime.

It is an emirp because it is prime and its reverse (7226081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1806227 - 2² = 1806223 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1806196 and 1806205.

It is not a weakly prime, because it can be changed into another prime (1806221) 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, 903113 + 903114.

It is an arithmetic number, because the mean of its divisors is an integer number (903114).

2^1806227 is an apocalyptic number.

1806227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1806227 is an equidigital number, since it uses as much as digits as its factorization.

1806227 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1806227 is about 1343.9594487930. The cubic root of 1806227 is about 121.7841520648.

The spelling of 1806227 in words is "one million, eight hundred six thousand, two hundred twenty-seven".