802218 has 32 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 244080.

The previous prime is 802189. The next prime is 802231. The reversal of 802218 is 812208.

It is a super-3 number, since 3×802218³ = 1548811133307312696, which contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 802194 and 802203.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 802218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3421 + ... + 3647.

It is an arithmetic number, because the mean of its divisors is an integer number (54720).

2⁸⁰²²¹⁸ is an apocalyptic number.

802218 is an abundant number, since it is smaller than the sum of its proper divisors (948822).

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

802218 is a wasteful number, since it uses less digits than its factorization.

802218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 802218 is about 895.6662324773. Note that the first 3 decimals coincide. The cubic root of 802218 is about 92.9174895416.

The spelling of 802218 in words is "eight hundred two thousand, two hundred eighteen".