802220 has 12 divisors (see below), whose sum is σ = 1684704. Its totient is φ = 320880.

The previous prime is 802189. The next prime is 802231. The reversal of 802220 is 22208.

802220 is nontrivially palindromic in base 7.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 802195 and 802204.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 802220.

It is an unprimeable number.

802220 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 20036 + ... + 20075.

It is an arithmetic number, because the mean of its divisors is an integer number (140392).

2⁸⁰²²²⁰ is an apocalyptic number.

It is an amenable number.

802220 is an abundant number, since it is smaller than the sum of its proper divisors (882484).

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

802220 is a wasteful number, since it uses less digits than its factorization.

802220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40120 (or 40118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 802220 is about 895.6673489639. The cubic root of 802220 is about 92.9175667587.

Adding to 802220 its reverse (22208), we get a palindrome (824428).

The spelling of 802220 in words is "eight hundred two thousand, two hundred twenty".