224040004221 has 8 divisors (see below), whose sum is σ = 325876369824. Its totient is φ = 135781820720.

The previous prime is 224040004159. The next prime is 224040004229. The reversal of 224040004221 is 122400040422.

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 224040004221 - 2¹⁰ = 224040003197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224040004229) 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, 3394545486 + ... + 3394545551.

It is an arithmetic number, because the mean of its divisors is an integer number (40734546228).

Almost surely, 2^224040004221 is an apocalyptic number.

It is an amenable number.

224040004221 is a deficient number, since it is larger than the sum of its proper divisors (101836365603).

224040004221 is a wasteful number, since it uses less digits than its factorization.

224040004221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6789091051.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 224040004221 its reverse (122400040422), we get a palindrome (346440044643).

The spelling of 224040004221 in words is "two hundred twenty-four billion, forty million, four thousand, two hundred twenty-one".