40143227 has 2 divisors, whose sum is σ = 40143228. Its totient is φ = 40143226.

The previous prime is 40143197. The next prime is 40143241. The reversal of 40143227 is 72234104.

40143227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40143227 - 2¹² = 40139131 is a prime.

It is a super-2 number, since 2×40143227² = 3222957347947058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40143277) 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, 20071613 + 20071614.

It is an arithmetic number, because the mean of its divisors is an integer number (20071614).

Almost surely, 2^40143227 is an apocalyptic number.

40143227 is a deficient number, since it is larger than the sum of its proper divisors (1).

40143227 is an equidigital number, since it uses as much as digits as its factorization.

40143227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40143227 is about 6335.8682909290. The cubic root of 40143227 is about 342.4028943104.

The spelling of 40143227 in words is "forty million, one hundred forty-three thousand, two hundred twenty-seven".