422630889 has 16 divisors (see below), whose sum is σ = 597506880. Its totient is φ = 264971520.

The previous prime is 422630881. The next prime is 422630893. The reversal of 422630889 is 988036224.

It is not a de Polignac number, because 422630889 - 2³ = 422630881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422630889.

It is not an unprimeable number, because it can be changed into a prime (422630881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19252 + ... + 34869.

It is an arithmetic number, because the mean of its divisors is an integer number (37344180).

Almost surely, 2^422630889 is an apocalyptic number.

It is an amenable number.

422630889 is a deficient number, since it is larger than the sum of its proper divisors (174875991).

422630889 is a wasteful number, since it uses less digits than its factorization.

422630889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54280.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 422630889 is about 20557.9884473165. The cubic root of 422630889 is about 750.4476669614.

The spelling of 422630889 in words is "four hundred twenty-two million, six hundred thirty thousand, eight hundred eighty-nine".