8223866 has 24 divisors (see below), whose sum is σ = 14818176. Its totient is φ = 3409560.

The previous prime is 8223863. The next prime is 8223871. The reversal of 8223866 is 6683228.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8223863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1685 + ... + 4391.

It is an arithmetic number, because the mean of its divisors is an integer number (617424).

Almost surely, 2^8223866 is an apocalyptic number.

8223866 is a deficient number, since it is larger than the sum of its proper divisors (6594310).

8223866 is a wasteful number, since it uses less digits than its factorization.

8223866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2747 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 8223866 is about 2867.7283692847. The cubic root of 8223866 is about 201.8484141968.

The spelling of 8223866 in words is "eight million, two hundred twenty-three thousand, eight hundred sixty-six".