3665227 has 2 divisors, whose sum is σ = 3665228. Its totient is φ = 3665226.

The previous prime is 3665203. The next prime is 3665237. The reversal of 3665227 is 7225663.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3665227 is a prime.

3665227 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3665237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832613 + 1832614.

It is an arithmetic number, because the mean of its divisors is an integer number (1832614).

Almost surely, 2^3665227 is an apocalyptic number.

3665227 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665227 is an equidigital number, since it uses as much as digits as its factorization.

3665227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 3665227 is about 1914.4782579074. The cubic root of 3665227 is about 154.1819825381.

The spelling of 3665227 in words is "three million, six hundred sixty-five thousand, two hundred twenty-seven".