2217995 has 8 divisors (see below), whose sum is σ = 2866416. Its totient is φ = 1637856.

The previous prime is 2217991. The next prime is 2218001. The reversal of 2217995 is 5997122.

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 2217995 - 2² = 2217991 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2217991) 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, 16997 + ... + 17126.

It is an arithmetic number, because the mean of its divisors is an integer number (358302).

2^2217995 is an apocalyptic number.

2217995 is a deficient number, since it is larger than the sum of its proper divisors (648421).

2217995 is a wasteful number, since it uses less digits than its factorization.

2217995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34141.

The product of its digits is 11340, while the sum is 35.

The square root of 2217995 is about 1489.2934566431. The cubic root of 2217995 is about 130.4127904387.

The spelling of 2217995 in words is "two million, two hundred seventeen thousand, nine hundred ninety-five".