224045321 has 8 divisors (see below), whose sum is σ = 236080320. Its totient is φ = 212034672.

The previous prime is 224045317. The next prime is 224045347. The reversal of 224045321 is 123540422.

It is a happy number.

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 224045321 - 2² = 224045317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224045221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14651 + ... + 25743.

It is an arithmetic number, because the mean of its divisors is an integer number (29510040).

Almost surely, 2^224045321 is an apocalyptic number.

It is an amenable number.

224045321 is a deficient number, since it is larger than the sum of its proper divisors (12034999).

224045321 is a wasteful number, since it uses less digits than its factorization.

224045321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 224045321 is about 14968.1435388628. The cubic root of 224045321 is about 607.3587503181.

Adding to 224045321 its reverse (123540422), we get a palindrome (347585743).

The spelling of 224045321 in words is "two hundred twenty-four million, forty-five thousand, three hundred twenty-one".