8218001 has 8 divisors (see below), whose sum is σ = 8995104. Its totient is φ = 7445920.

The previous prime is 8217983. The next prime is 8218009. The reversal of 8218001 is 1008128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8218001 - 2¹⁰ = 8216977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8218009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2741 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (1124388).

Almost surely, 2^8218001 is an apocalyptic number.

It is an amenable number.

8218001 is a deficient number, since it is larger than the sum of its proper divisors (777103).

8218001 is a wasteful number, since it uses less digits than its factorization.

8218001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 8218001 is about 2866.7056005108. The cubic root of 8218001 is about 201.8004188263.

The spelling of 8218001 in words is "eight million, two hundred eighteen thousand, one".