224443324 has 36 divisors (see below), whose sum is σ = 459705456. Its totient is φ = 95600064.

The previous prime is 224443321. The next prime is 224443327. The reversal of 224443324 is 423344422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (224443321) and next prime (224443327).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 224443292 and 224443301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224443321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29304 + ... + 36160.

It is an arithmetic number, because the mean of its divisors is an integer number (12769596).

Almost surely, 2^224443324 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 224443324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229852728).

224443324 is an abundant number, since it is smaller than the sum of its proper divisors (235262132).

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

224443324 is a wasteful number, since it uses less digits than its factorization.

224443324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042 (or 7033 counting only the distinct ones).

The product of its digits is 18432, while the sum is 28.

The square root of 224443324 is about 14981.4326417736. The cubic root of 224443324 is about 607.7181829614.

Adding to 224443324 its reverse (423344422), we get a palindrome (647787746).

The spelling of 224443324 in words is "two hundred twenty-four million, four hundred forty-three thousand, three hundred twenty-four".