8428686622 has 8 divisors (see below), whose sum is σ = 12692225376. Its totient is φ = 4197944832.

The previous prime is 8428686601. The next prime is 8428686647. The reversal of 8428686622 is 2266868248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8428686622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8198598 + ... + 8199625.

It is an arithmetic number, because the mean of its divisors is an integer number (1586528172).

Almost surely, 2^8428686622 is an apocalyptic number.

8428686622 is a deficient number, since it is larger than the sum of its proper divisors (4263538754).

8428686622 is a wasteful number, since it uses less digits than its factorization.

8428686622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16398482.

The product of its digits is 3538944, while the sum is 52.

The square root of 8428686622 is about 91807.8788666855. The cubic root of 8428686622 is about 2035.1041302836.

The spelling of 8428686622 in words is "eight billion, four hundred twenty-eight million, six hundred eighty-six thousand, six hundred twenty-two".