2184224 has 48 divisors (see below), whose sum is σ = 5040000. Its totient is φ = 931392.

The previous prime is 2184223. The next prime is 2184257. The reversal of 2184224 is 4224812.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2184224.

It is not an unprimeable number, because it can be changed into a prime (2184223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10877 + ... + 11075.

It is an arithmetic number, because the mean of its divisors is an integer number (105000).

2^2184224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2184224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520000).

2184224 is an abundant number, since it is smaller than the sum of its proper divisors (2855776).

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

2184224 is an equidigital number, since it uses as much as digits as its factorization.

2184224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 208 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 2184224 is about 1477.9120406844. The cubic root of 2184224 is about 129.7475178436.

The spelling of 2184224 in words is "two million, one hundred eighty-four thousand, two hundred twenty-four".