422406427 has 2 divisors, whose sum is σ = 422406428. Its totient is φ = 422406426.

The previous prime is 422406421. The next prime is 422406433. The reversal of 422406427 is 724604224.

It is a balanced prime because it is at equal distance from previous prime (422406421) and next prime (422406433).

It is a cyclic number.

It is not a de Polignac number, because 422406427 - 2³ = 422406419 is a prime.

It is not a weakly prime, because it can be changed into another prime (422406421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211203213 + 211203214.

It is an arithmetic number, because the mean of its divisors is an integer number (211203214).

Almost surely, 2^422406427 is an apocalyptic number.

422406427 is a deficient number, since it is larger than the sum of its proper divisors (1).

422406427 is an equidigital number, since it uses as much as digits as its factorization.

422406427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 422406427 is about 20552.5284819168. The cubic root of 422406427 is about 750.3147875636.

The spelling of 422406427 in words is "four hundred twenty-two million, four hundred six thousand, four hundred twenty-seven".