42407227 has 2 divisors, whose sum is σ = 42407228. Its totient is φ = 42407226.

The previous prime is 42407201. The next prime is 42407237. The reversal of 42407227 is 72270424.

42407227 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 42407227 - 2²³ = 34018619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42407195 and 42407204.

It is not a weakly prime, because it can be changed into another prime (42407237) 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, 21203613 + 21203614.

It is an arithmetic number, because the mean of its divisors is an integer number (21203614).

Almost surely, 2^42407227 is an apocalyptic number.

42407227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42407227 is an equidigital number, since it uses as much as digits as its factorization.

42407227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 42407227 is about 6512.0831536460. The cubic root of 42407227 is about 348.7224910321.

The spelling of 42407227 in words is "forty-two million, four hundred seven thousand, two hundred twenty-seven".