2216772 has 36 divisors (see below), whose sum is σ = 5656560. Its totient is φ = 731952.

The previous prime is 2216761. The next prime is 2216777. The reversal of 2216772 is 2776122.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2216777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4783 + ... + 5225.

2^2216772 is an apocalyptic number.

It is an amenable number.

2216772 is an abundant number, since it is smaller than the sum of its proper divisors (3439788).

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

2216772 is a wasteful number, since it uses less digits than its factorization.

2216772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 587 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 2216772 is about 1488.8828026410. The cubic root of 2216772 is about 130.3888162087.

The spelling of 2216772 in words is "two million, two hundred sixteen thousand, seven hundred seventy-two".