40866227 has 2 divisors, whose sum is σ = 40866228. Its totient is φ = 40866226.

The previous prime is 40866223. The next prime is 40866229. The reversal of 40866227 is 72266804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40866227 - 2² = 40866223 is a prime.

Together with 40866229, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2483198 and since 40866227 and 2483198 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40866223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20433113 + 20433114.

It is an arithmetic number, because the mean of its divisors is an integer number (20433114).

Almost surely, 2^40866227 is an apocalyptic number.

40866227 is a deficient number, since it is larger than the sum of its proper divisors (1).

40866227 is an equidigital number, since it uses as much as digits as its factorization.

40866227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 40866227 is about 6392.6697865602. The cubic root of 40866227 is about 344.4462923669.

The spelling of 40866227 in words is "forty million, eight hundred sixty-six thousand, two hundred twenty-seven".