422706889 has 16 divisors (see below), whose sum is σ = 488160000. Its totient is φ = 361987920.

The previous prime is 422706847. The next prime is 422706901. The reversal of 422706889 is 988607224.

It is a cyclic number.

It is not a de Polignac number, because 422706889 - 2¹⁹ = 422182601 is a prime.

It is a super-2 number, since 2×422706889² = 357362228016116642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422706829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31762 + ... + 43060.

It is an arithmetic number, because the mean of its divisors is an integer number (30510000).

Almost surely, 2^422706889 is an apocalyptic number.

It is an amenable number.

422706889 is a deficient number, since it is larger than the sum of its proper divisors (65453111).

422706889 is a wasteful number, since it uses less digits than its factorization.

422706889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11508.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 422706889 is about 20559.8367940993. The cubic root of 422706889 is about 750.4926475862.

The spelling of 422706889 in words is "four hundred twenty-two million, seven hundred six thousand, eight hundred eighty-nine".