11218844 has 96 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 4064256.

The previous prime is 11218841. The next prime is 11218849. The reversal of 11218844 is 44881211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11218841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303194 + ... + 303230.

It is an arithmetic number, because the mean of its divisors is an integer number (279300).

Almost surely, 2^11218844 is an apocalyptic number.

11218844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11218844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13406400).

11218844 is an abundant number, since it is smaller than the sum of its proper divisors (15593956).

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

11218844 is a wasteful number, since it uses less digits than its factorization.

11218844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 76 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 11218844 is about 3349.4542839095. The cubic root of 11218844 is about 223.8631977185.

The spelling of 11218844 in words is "eleven million, two hundred eighteen thousand, eight hundred forty-four".