422685847 has 2 divisors, whose sum is σ = 422685848. Its totient is φ = 422685846.

The previous prime is 422685839. The next prime is 422685859. The reversal of 422685847 is 748586224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422685847 - 2³ = 422685839 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 422685797 and 422685806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422685827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211342923 + 211342924.

It is an arithmetic number, because the mean of its divisors is an integer number (211342924).

Almost surely, 2^422685847 is an apocalyptic number.

422685847 is a deficient number, since it is larger than the sum of its proper divisors (1).

422685847 is an equidigital number, since it uses as much as digits as its factorization.

422685847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 860160, while the sum is 46.

The square root of 422685847 is about 20559.3250618789. The cubic root of 422685847 is about 750.4801944114.

The spelling of 422685847 in words is "four hundred twenty-two million, six hundred eighty-five thousand, eight hundred forty-seven".