2216282 has 8 divisors (see below), whose sum is σ = 3331476. Its totient is φ = 1105792.

The previous prime is 2216281. The next prime is 2216287. The reversal of 2216282 is 2826122.

It can be written as a sum of positive squares in 2 ways, for example, as 2163841 + 52441 = 1471^2 + 229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2216282³ = 32658505919021933304, which contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2216281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458 + ... + 2154.

2^2216282 is an apocalyptic number.

2216282 is a deficient number, since it is larger than the sum of its proper divisors (1115194).

2216282 is a wasteful number, since it uses less digits than its factorization.

2216282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its digits is 768, while the sum is 23.

The square root of 2216282 is about 1488.7182406352. The cubic root of 2216282 is about 130.3792083603.

The spelling of 2216282 in words is "two million, two hundred sixteen thousand, two hundred eighty-two".