224320452 has 24 divisors (see below), whose sum is σ = 541464000. Its totient is φ = 72194976.

The previous prime is 224320451. The next prime is 224320463. The reversal of 224320452 is 254023422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (224320451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321952 + ... + 322647.

It is an arithmetic number, because the mean of its divisors is an integer number (22561000).

Almost surely, 2^224320452 is an apocalyptic number.

It is an amenable number.

224320452 is an abundant number, since it is smaller than the sum of its proper divisors (317143548).

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

224320452 is a wasteful number, since it uses less digits than its factorization.

224320452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644635 (or 644633 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 224320452 is about 14977.3312709575. The cubic root of 224320452 is about 607.6072638249.

Adding to 224320452 its reverse (254023422), we get a palindrome (478343874).

The spelling of 224320452 in words is "two hundred twenty-four million, three hundred twenty thousand, four hundred fifty-two".