8223842 has 16 divisors (see below), whose sum is σ = 13822272. Its totient is φ = 3636720.

The previous prime is 8223749. The next prime is 8223863. The reversal of 8223842 is 2483228.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4238 + ... + 5865.

It is an arithmetic number, because the mean of its divisors is an integer number (863892).

Almost surely, 2^8223842 is an apocalyptic number.

8223842 is a deficient number, since it is larger than the sum of its proper divisors (5598430).

8223842 is a wasteful number, since it uses less digits than its factorization.

8223842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10153.

The product of its digits is 6144, while the sum is 29.

The square root of 8223842 is about 2867.7241847849. The cubic root of 8223842 is about 201.8482178428.

It can be divided in two parts, 822 and 3842, that added together give a palindrome (4664).

The spelling of 8223842 in words is "eight million, two hundred twenty-three thousand, eight hundred forty-two".