2104224 has 48 divisors (see below), whose sum is σ = 5769792. Its totient is φ = 670208.

The previous prime is 2104217. The next prime is 2104229. The reversal of 2104224 is 4224012.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2104229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732 + ... + 2684.

It is an arithmetic number, because the mean of its divisors is an integer number (120204).

2^2104224 is an apocalyptic number.

2104224 is a gapful number since it is divisible by the number (24) 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 2104224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2884896).

2104224 is an abundant number, since it is smaller than the sum of its proper divisors (3665568).

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

2104224 is a wasteful number, since it uses less digits than its factorization.

2104224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2104224 is about 1450.5943609431. The cubic root of 2104224 is about 128.1437187801.

Adding to 2104224 its reverse (4224012), we get a palindrome (6328236).

The spelling of 2104224 in words is "two million, one hundred four thousand, two hundred twenty-four".