818322 has 16 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 263312.

The previous prime is 818309. The next prime is 818327. The reversal of 818322 is 223818.

818322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 818292 and 818301.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 818322.

It is not an unprimeable number, because it can be changed into a prime (818327) by changing a digit.

818322 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2178 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2⁸¹⁸³²² is an apocalyptic number.

818322 is an abundant number, since it is smaller than the sum of its proper divisors (875118).

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

818322 is a wasteful number, since it uses less digits than its factorization.

818322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737.

The product of its digits is 768, while the sum is 24.

The square root of 818322 is about 904.6115188300. The cubic root of 818322 is about 93.5351274495.

The spelling of 818322 in words is "eight hundred eighteen thousand, three hundred twenty-two".