3645227 has 2 divisors, whose sum is σ = 3645228. Its totient is φ = 3645226.

The previous prime is 3645193. The next prime is 3645251. The reversal of 3645227 is 7225463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3645227 - 2¹⁶ = 3579691 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3645227.

It is not a weakly prime, because it can be changed into another prime (3645527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822613 + 1822614.

It is an arithmetic number, because the mean of its divisors is an integer number (1822614).

Almost surely, 2^3645227 is an apocalyptic number.

3645227 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645227 is an equidigital number, since it uses as much as digits as its factorization.

3645227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 3645227 is about 1909.2477576260. The cubic root of 3645227 is about 153.9010299045.

The spelling of 3645227 in words is "three million, six hundred forty-five thousand, two hundred twenty-seven".