2221001017 has 8 divisors (see below), whose sum is σ = 2233970816. Its totient is φ = 2208069072.

The previous prime is 2221001011. The next prime is 2221001053. The reversal of 2221001017 is 7101001222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221001017 is a prime.

It is a super-3 number, since 3×2221001017³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221001011) 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, 112768 + ... + 130990.

It is an arithmetic number, because the mean of its divisors is an integer number (279246352).

Almost surely, 2^2221001017 is an apocalyptic number.

It is an amenable number.

2221001017 is a deficient number, since it is larger than the sum of its proper divisors (12969799).

2221001017 is a wasteful number, since it uses less digits than its factorization.

2221001017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18927.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 2221001017 is about 47127.4974616731. The cubic root of 2221001017 is about 1304.7167937478.

Adding to 2221001017 its reverse (7101001222), we get a palindrome (9322002239).

The spelling of 2221001017 in words is "two billion, two hundred twenty-one million, one thousand, seventeen".