224004452 has 48 divisors (see below), whose sum is σ = 492119040. Its totient is φ = 86990112.

The previous prime is 224004413. The next prime is 224004457. The reversal of 224004452 is 254400422.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (224004457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3083 + ... + 21389.

It is an arithmetic number, because the mean of its divisors is an integer number (10252480).

Almost surely, 2^224004452 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 224004452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246059520).

224004452 is an abundant number, since it is smaller than the sum of its proper divisors (268114588).

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

224004452 is a wasteful number, since it uses less digits than its factorization.

224004452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18360 (or 18358 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 224004452 is about 14966.7782772379. The cubic root of 224004452 is about 607.3218178289.

Adding to 224004452 its reverse (254400422), we get a palindrome (478404874).

The spelling of 224004452 in words is "two hundred twenty-four million, four thousand, four hundred fifty-two".