40017227 has 2 divisors, whose sum is σ = 40017228. Its totient is φ = 40017226.

The previous prime is 40017223. The next prime is 40017283. The reversal of 40017227 is 72271004.

40017227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40017227 - 2² = 40017223 is a prime.

It is not a weakly prime, because it can be changed into another prime (40017221) 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, 20008613 + 20008614.

It is an arithmetic number, because the mean of its divisors is an integer number (20008614).

Almost surely, 2^40017227 is an apocalyptic number.

40017227 is a deficient number, since it is larger than the sum of its proper divisors (1).

40017227 is an equidigital number, since it uses as much as digits as its factorization.

40017227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40017227 is about 6325.9170876640. The cubic root of 40017227 is about 342.0442785482.

The spelling of 40017227 in words is "forty million, seventeen thousand, two hundred twenty-seven".