224524421 has 8 divisors (see below), whose sum is σ = 248291904. Its totient is φ = 201316320.

The previous prime is 224524411. The next prime is 224524439. The reversal of 224524421 is 124425422.

224524421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224524421 is a prime.

It is a super-2 number, since 2×224524421² = 100822431250770482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224524411) 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, 139001 + ... + 140606.

It is an arithmetic number, because the mean of its divisors is an integer number (31036488).

Almost surely, 2^224524421 is an apocalyptic number.

It is an amenable number.

224524421 is a deficient number, since it is larger than the sum of its proper divisors (23767483).

224524421 is a wasteful number, since it uses less digits than its factorization.

224524421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279691.

The product of its digits is 5120, while the sum is 26.

The square root of 224524421 is about 14984.1389809358. The cubic root of 224524421 is about 607.7913687527.

Adding to 224524421 its reverse (124425422), we get a palindrome (348949843).

The spelling of 224524421 in words is "two hundred twenty-four million, five hundred twenty-four thousand, four hundred twenty-one".