224043433421 has 8 divisors (see below), whose sum is σ = 226529025024. Its totient is φ = 221569115040.

The previous prime is 224043433391. The next prime is 224043433423. The reversal of 224043433421 is 124334340422.

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

It is a cyclic number.

It is not a de Polignac number, because 224043433421 - 2¹⁰ = 224043432397 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 (224043433423) 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, 2778335 + ... + 2857836.

It is an arithmetic number, because the mean of its divisors is an integer number (28316128128).

Almost surely, 2^224043433421 is an apocalyptic number.

It is an amenable number.

224043433421 is a deficient number, since it is larger than the sum of its proper divisors (2485591603).

224043433421 is a wasteful number, since it uses less digits than its factorization.

224043433421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636611.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 224043433421 its reverse (124334340422), we get a palindrome (348377773843).

The spelling of 224043433421 in words is "two hundred twenty-four billion, forty-three million, four hundred thirty-three thousand, four hundred twenty-one".