302216 has 16 divisors (see below), whose sum is σ = 582540. Its totient is φ = 146880.

The previous prime is 302213. The next prime is 302221. The reversal of 302216 is 612203.

It can be written as a sum of positive squares in 2 ways, for example, as 280900 + 21316 = 530^2 + 146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 302216.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 302216.

It is not an unprimeable number, because it can be changed into a prime (302213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 806.

2³⁰²²¹⁶ is an apocalyptic number.

It is an amenable number.

302216 is a deficient number, since it is larger than the sum of its proper divisors (280324).

302216 is a wasteful number, since it uses less digits than its factorization.

302216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 302216 is about 549.7417575553. The cubic root of 302216 is about 67.1077200878.

Adding to 302216 its reverse (612203), we get a palindrome (914419).

The spelling of 302216 in words is "three hundred two thousand, two hundred sixteen".