2218132 has 18 divisors (see below), whose sum is σ = 4515882. Its totient is φ = 950544.

The previous prime is 2218129. The next prime is 2218157. The reversal of 2218132 is 2318122.

It can be written as a sum of positive squares in only one way, i.e., 2202256 + 15876 = 1484^2 + 126^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5463 + ... + 5854.

2^2218132 is an apocalyptic number.

It is an amenable number.

2218132 is an abundant number, since it is smaller than the sum of its proper divisors (2297750).

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

2218132 is a wasteful number, since it uses less digits than its factorization.

2218132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335 (or 11326 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 2218132 is about 1489.3394508976. The cubic root of 2218132 is about 130.4154754740.

The spelling of 2218132 in words is "two million, two hundred eighteen thousand, one hundred thirty-two".