11822118 has 32 divisors (see below), whose sum is σ = 29479680. Its totient is φ = 3070560.

The previous prime is 11822093. The next prime is 11822143. The reversal of 11822118 is 81122811.

It is an interprime number because it is at equal distance from previous prime (11822093) and next prime (11822143).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12333 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (921240).

Almost surely, 2^11822118 is an apocalyptic number.

11822118 is an abundant number, since it is smaller than the sum of its proper divisors (17657562).

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

11822118 is a wasteful number, since it uses less digits than its factorization.

11822118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25612.

The product of its digits is 256, while the sum is 24.

The square root of 11822118 is about 3438.3306996274. The cubic root of 11822118 is about 227.8059675777.

Adding to 11822118 its reverse (81122811), we get a palindrome (92944929).

The spelling of 11822118 in words is "eleven million, eight hundred twenty-two thousand, one hundred eighteen".