8638022 has 8 divisors (see below), whose sum is σ = 13037016. Its totient is φ = 4292352.

The previous prime is 8637991. The next prime is 8638033. The reversal of 8638022 is 2208368.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 12923 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (1629627).

Almost surely, 2^8638022 is an apocalyptic number.

8638022 is a deficient number, since it is larger than the sum of its proper divisors (4398994).

8638022 is a wasteful number, since it uses less digits than its factorization.

8638022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26662.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8638022 is about 2939.0512074477. The cubic root of 8638022 is about 205.1814534597.

The spelling of 8638022 in words is "eight million, six hundred thirty-eight thousand, twenty-two".