40889227 has 2 divisors, whose sum is σ = 40889228. Its totient is φ = 40889226.

The previous prime is 40889179. The next prime is 40889231. The reversal of 40889227 is 72298804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40889227 - 2⁷ = 40889099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40889227.

It is not a weakly prime, because it can be changed into another prime (40889257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20444613 + 20444614.

It is an arithmetic number, because the mean of its divisors is an integer number (20444614).

Almost surely, 2^40889227 is an apocalyptic number.

40889227 is a deficient number, since it is larger than the sum of its proper divisors (1).

40889227 is an equidigital number, since it uses as much as digits as its factorization.

40889227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 40889227 is about 6394.4684689191. The cubic root of 40889227 is about 344.5108997417.

The spelling of 40889227 in words is "forty million, eight hundred eighty-nine thousand, two hundred twenty-seven".