8663422 has 4 divisors (see below), whose sum is σ = 12995136. Its totient is φ = 4331710.

The previous prime is 8663401. The next prime is 8663437. The reversal of 8663422 is 2243668.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2165854 + ... + 2165857.

It is an arithmetic number, because the mean of its divisors is an integer number (3248784).

Almost surely, 2^8663422 is an apocalyptic number.

8663422 is a deficient number, since it is larger than the sum of its proper divisors (4331714).

8663422 is a wasteful number, since it uses less digits than its factorization.

8663422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331713.

The product of its digits is 13824, while the sum is 31.

The square root of 8663422 is about 2943.3691579549. The cubic root of 8663422 is about 205.3823678597.

The spelling of 8663422 in words is "eight million, six hundred sixty-three thousand, four hundred twenty-two".