2118822 has 8 divisors (see below), whose sum is σ = 4237656. Its totient is φ = 706272.

The previous prime is 2118811. The next prime is 2118833. The reversal of 2118822 is 2288112.

It is an interprime number because it is at equal distance from previous prime (2118811) and next prime (2118833).

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

2118822 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2118792 and 2118801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176563 + ... + 176574.

It is an arithmetic number, because the mean of its divisors is an integer number (529707).

2^2118822 is an apocalyptic number.

2118822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2118822 is a wasteful number, since it uses less digits than its factorization.

2118822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353142.

The product of its digits is 512, while the sum is 24.

The square root of 2118822 is about 1455.6173947848. The cubic root of 2118822 is about 128.4393673990.

The spelling of 2118822 in words is "two million, one hundred eighteen thousand, eight hundred twenty-two".