2216973 has 8 divisors (see below), whose sum is σ = 3224736. Its totient is φ = 1343600.

The previous prime is 2216969. The next prime is 2216989. The reversal of 2216973 is 3796122.

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 2216973 - 2² = 2216969 is a prime.

2216973 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216873) 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, 33558 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (403092).

2^2216973 is an apocalyptic number.

It is an amenable number.

2216973 is a deficient number, since it is larger than the sum of its proper divisors (1007763).

2216973 is a wasteful number, since it uses less digits than its factorization.

2216973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67195.

The product of its digits is 4536, while the sum is 30.

The square root of 2216973 is about 1488.9503013869. The cubic root of 2216973 is about 130.3927569779.

The spelling of 2216973 in words is "two million, two hundred sixteen thousand, nine hundred seventy-three".