224864321 has 8 divisors (see below), whose sum is σ = 259736544. Its totient is φ = 192397120.

The previous prime is 224864303. The next prime is 224864323. The reversal of 224864321 is 123468422.

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 224864321 - 2¹⁴ = 224847937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224864323) 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, 601055 + ... + 601428.

It is an arithmetic number, because the mean of its divisors is an integer number (32467068).

Almost surely, 2^224864321 is an apocalyptic number.

It is an amenable number.

224864321 is a deficient number, since it is larger than the sum of its proper divisors (34872223).

224864321 is a wasteful number, since it uses less digits than its factorization.

224864321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202511.

The product of its digits is 18432, while the sum is 32.

The square root of 224864321 is about 14995.4766846539. The cubic root of 224864321 is about 608.0979191106.

The spelling of 224864321 in words is "two hundred twenty-four million, eight hundred sixty-four thousand, three hundred twenty-one".