2216672 has 24 divisors (see below), whose sum is σ = 4449816. Its totient is φ = 1086592.

The previous prime is 2216659. The next prime is 2216699. The reversal of 2216672 is 2766122.

2216672 is nontrivially palindromic in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (185409).

2^2216672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224908).

2216672 is an abundant number, since it is smaller than the sum of its proper divisors (2233144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216672 is a wasteful number, since it uses less digits than its factorization.

2216672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1362 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 2216672 is about 1488.8492200354. The cubic root of 2216672 is about 130.3868555383.

The spelling of 2216672 in words is "two million, two hundred sixteen thousand, six hundred seventy-two".