11044220 has 48 divisors (see below), whose sum is σ = 26798688. Its totient is φ = 3778560.

The previous prime is 11044199. The next prime is 11044223. The reversal of 11044220 is 2244011.

11044220 = 798² + 799² + ... + 814².

It is a junction number, because it is equal to n+sod(n) for n = 11044195 and 11044204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11044223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2264 + ... + 5216.

It is an arithmetic number, because the mean of its divisors is an integer number (558306).

Almost surely, 2^11044220 is an apocalyptic number.

11044220 is a gapful number since it is divisible by the number (10) 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 11044220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13399344).

11044220 is an abundant number, since it is smaller than the sum of its proper divisors (15754468).

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

11044220 is a wasteful number, since it uses less digits than its factorization.

11044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 11044220 is about 3323.2845198689. The cubic root of 11044220 is about 222.6956239407.

Adding to 11044220 its reverse (2244011), we get a palindrome (13288231).

The spelling of 11044220 in words is "eleven million, forty-four thousand, two hundred twenty".