8223867 has 12 divisors (see below), whose sum is σ = 12013560. Its totient is φ = 5420448.

The previous prime is 8223863. The next prime is 8223871. The reversal of 8223867 is 7683228.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8223863) and next prime (8223871).

It is not a de Polignac number, because 8223867 - 2² = 8223863 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4333 + ... + 5934.

It is an arithmetic number, because the mean of its divisors is an integer number (1001130).

Almost surely, 2^8223867 is an apocalyptic number.

8223867 is a deficient number, since it is larger than the sum of its proper divisors (3789693).

8223867 is a wasteful number, since it uses less digits than its factorization.

8223867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362 (or 10359 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 8223867 is about 2867.7285436387. The cubic root of 8223867 is about 201.8484223782.

The spelling of 8223867 in words is "eight million, two hundred twenty-three thousand, eight hundred sixty-seven".