2216173 has 8 divisors (see below), whose sum is σ = 2290176. Its totient is φ = 2143200.

The previous prime is 2216167. The next prime is 2216197. The reversal of 2216173 is 3716122.

2216173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2216173 - 2¹³ = 2207981 is a prime.

It is a super-2 number, since 2×2216173² = 9822845531858, which contains 22 as substring.

It is a Duffinian number.

2216173 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7690 + ... + 7972.

It is an arithmetic number, because the mean of its divisors is an integer number (286272).

2^2216173 is an apocalyptic number.

It is an amenable number.

2216173 is a deficient number, since it is larger than the sum of its proper divisors (74003).

2216173 is a wasteful number, since it uses less digits than its factorization.

2216173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515.

The product of its digits is 504, while the sum is 22.

The square root of 2216173 is about 1488.6816315116. The cubic root of 2216173 is about 130.3770709117.

The spelling of 2216173 in words is "two million, two hundred sixteen thousand, one hundred seventy-three".