8122866 has 16 divisors (see below), whose sum is σ = 16351104. Its totient is φ = 2690064.

The previous prime is 8122847. The next prime is 8122903. The reversal of 8122866 is 6682218.

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, 3370 + ... + 5253.

It is an arithmetic number, because the mean of its divisors is an integer number (1021944).

Almost surely, 2^8122866 is an apocalyptic number.

8122866 is an abundant number, since it is smaller than the sum of its proper divisors (8228238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8122866 is a wasteful number, since it uses less digits than its factorization.

8122866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8785.

The product of its digits is 9216, while the sum is 33.

The square root of 8122866 is about 2850.0642098030. The cubic root of 8122866 is about 201.0186859191.

The spelling of 8122866 in words is "eight million, one hundred twenty-two thousand, eight hundred sixty-six".