422375689 has 2 divisors, whose sum is σ = 422375690. Its totient is φ = 422375688.

The previous prime is 422375677. The next prime is 422375717. The reversal of 422375689 is 986573224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419553289 + 2822400 = 20483^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 422375689 - 2¹¹ = 422373641 is a prime.

It is not a weakly prime, because it can be changed into another prime (422375089) 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, 211187844 + 211187845.

It is an arithmetic number, because the mean of its divisors is an integer number (211187845).

Almost surely, 2^422375689 is an apocalyptic number.

It is an amenable number.

422375689 is a deficient number, since it is larger than the sum of its proper divisors (1).

422375689 is an equidigital number, since it uses as much as digits as its factorization.

422375689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 422375689 is about 20551.7806771092. The cubic root of 422375689 is about 750.2965872918.

The spelling of 422375689 in words is "four hundred twenty-two million, three hundred seventy-five thousand, six hundred eighty-nine".