8646422 has 8 divisors (see below), whose sum is σ = 13012272. Its totient is φ = 4309000.

The previous prime is 8646403. The next prime is 8646457. The reversal of 8646422 is 2246468.

It is a happy number.

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

It is a super-2 number, since 2×8646422² = 149521226804168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6329 + ... + 7572.

It is an arithmetic number, because the mean of its divisors is an integer number (1626534).

Almost surely, 2^8646422 is an apocalyptic number.

8646422 is a deficient number, since it is larger than the sum of its proper divisors (4365850).

8646422 is a wasteful number, since it uses less digits than its factorization.

8646422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214.

The product of its digits is 18432, while the sum is 32.

The square root of 8646422 is about 2940.4798928066. The cubic root of 8646422 is about 205.2479411283.

The spelling of 8646422 in words is "eight million, six hundred forty-six thousand, four hundred twenty-two".