224214321 has 8 divisors (see below), whose sum is σ = 299159424. Its totient is φ = 149372720.

The previous prime is 224214311. The next prime is 224214323. The reversal of 224214321 is 123412422.

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 224214321 - 2⁶ = 224214257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224214323) 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, 20670 + ... + 29591.

It is an arithmetic number, because the mean of its divisors is an integer number (37394928).

Almost surely, 2^224214321 is an apocalyptic number.

It is an amenable number.

224214321 is a deficient number, since it is larger than the sum of its proper divisors (74945103).

224214321 is a wasteful number, since it uses less digits than its factorization.

224214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51751.

The product of its digits is 768, while the sum is 21.

The square root of 224214321 is about 14973.7877973477. The cubic root of 224214321 is about 607.5114245341.

Adding to 224214321 its reverse (123412422), we get a palindrome (347626743).

The spelling of 224214321 in words is "two hundred twenty-four million, two hundred fourteen thousand, three hundred twenty-one".