224023404221 has 8 divisors (see below), whose sum is σ = 226213141440. Its totient is φ = 221833950912.

The previous prime is 224023404193. The next prime is 224023404257. The reversal of 224023404221 is 122404320422.

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-224023404221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224023404271) 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, 1739186 + ... + 1863548.

It is an arithmetic number, because the mean of its divisors is an integer number (28276642680).

Almost surely, 2^224023404221 is an apocalyptic number.

It is an amenable number.

224023404221 is a deficient number, since it is larger than the sum of its proper divisors (2189737219).

224023404221 is a wasteful number, since it uses less digits than its factorization.

224023404221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141955.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 224023404221 its reverse (122404320422), we get a palindrome (346427724643).

The spelling of 224023404221 in words is "two hundred twenty-four billion, twenty-three million, four hundred four thousand, two hundred twenty-one".