422323147 has 2 divisors, whose sum is σ = 422323148. Its totient is φ = 422323146.

The previous prime is 422323141. The next prime is 422323151. The reversal of 422323147 is 741323224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422323147 - 2¹¹ = 422321099 is a prime.

It is equal to p_22461508 and since 422323147 and 22461508 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 (422323141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211161573 + 211161574.

It is an arithmetic number, because the mean of its divisors is an integer number (211161574).

Almost surely, 2^422323147 is an apocalyptic number.

422323147 is a deficient number, since it is larger than the sum of its proper divisors (1).

422323147 is an equidigital number, since it uses as much as digits as its factorization.

422323147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 28.

The square root of 422323147 is about 20550.5023539572. The cubic root of 422323147 is about 750.2654746125.

The spelling of 422323147 in words is "four hundred twenty-two million, three hundred twenty-three thousand, one hundred forty-seven".