2218017 has 8 divisors (see below), whose sum is σ = 2971296. Its totient is φ = 1471712.

The previous prime is 2218001. The next prime is 2218037. The reversal of 2218017 is 7108122.

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 2218017 - 2⁴ = 2218001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2217984 and 2218002.

It is not an unprimeable number, because it can be changed into a prime (2218037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (371412).

2^2218017 is an apocalyptic number.

It is an amenable number.

2218017 is a deficient number, since it is larger than the sum of its proper divisors (753279).

2218017 is a wasteful number, since it uses less digits than its factorization.

2218017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 2218017 is about 1489.3008426775. The cubic root of 2218017 is about 130.4132216197.

The spelling of 2218017 in words is "two million, two hundred eighteen thousand, seventeen".