2404224 has 48 divisors (see below), whose sum is σ = 6921720. Its totient is φ = 801024.

The previous prime is 2404211. The next prime is 2404229. The reversal of 2404224 is 4224042.

2404224 is a `hidden beast` number, since 240 + 422 + 4 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2404197 and 2404206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109 + ... + 2195.

2^2404224 is an apocalyptic number.

2404224 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 2404224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3460860).

2404224 is an abundant number, since it is smaller than the sum of its proper divisors (4517496).

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

2404224 is a wasteful number, since it uses less digits than its factorization.

2404224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2404224 is about 1550.5560293005. The cubic root of 2404224 is about 133.9650907801.

Adding to 2404224 its reverse (4224042), we get a palindrome (6628266).

It can be divided in two parts, 2404 and 224, that added together give a triangular number (2628 = T₇₂).

The spelling of 2404224 in words is "two million, four hundred four thousand, two hundred twenty-four".