422168984 has 32 divisors (see below), whose sum is σ = 805559040. Its totient is φ = 207386400.

The previous prime is 422168977. The next prime is 422168987. The reversal of 422168984 is 489861224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422168987) 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 in 7 ways as a sum of consecutive naturals, for example, 105989 + ... + 109899.

It is an arithmetic number, because the mean of its divisors is an integer number (25173720).

Almost surely, 2^422168984 is an apocalyptic number.

It is an amenable number.

422168984 is a deficient number, since it is larger than the sum of its proper divisors (383390056).

422168984 is a wasteful number, since it uses less digits than its factorization.

422168984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151 (or 4147 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 422168984 is about 20546.7511787144. The cubic root of 422168984 is about 750.1741722896.

The spelling of 422168984 in words is "four hundred twenty-two million, one hundred sixty-eight thousand, nine hundred eighty-four".