822118 has 8 divisors (see below), whose sum is σ = 1345320. Its totient is φ = 373680.

The previous prime is 822113. The next prime is 822131. The reversal of 822118 is 811228.

822118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 37369 = 822118 / (8 + 2 + 2 + 1 + 1 + 8).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822113) by changing a digit.

822118 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 3 ways as a sum of consecutive naturals, for example, 18663 + ... + 18706.

It is an arithmetic number, because the mean of its divisors is an integer number (168165).

2⁸²²¹¹⁸ is an apocalyptic number.

822118 is a deficient number, since it is larger than the sum of its proper divisors (523202).

822118 is a wasteful number, since it uses less digits than its factorization.

822118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37382.

The product of its digits is 256, while the sum is 22.

The square root of 822118 is about 906.7072294848. The cubic root of 822118 is about 93.6795334179.

The spelling of 822118 in words is "eight hundred twenty-two thousand, one hundred eighteen".