2224321 has 8 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 2013120.

The previous prime is 2224289. The next prime is 2224337. The reversal of 2224321 is 1234222.

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 2224321 - 2⁵ = 2224289 is a prime.

It is a super-2 number, since 2×2224321² = 9895207822082, which contains 22 as substring.

It is a Duffinian number.

2224321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2224295 and 2224304.

It is not an unprimeable number, because it can be changed into a prime (2221321) 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, 4530 + ... + 4996.

It is an arithmetic number, because the mean of its divisors is an integer number (304668).

2^2224321 is an apocalyptic number.

It is an amenable number.

2224321 is a deficient number, since it is larger than the sum of its proper divisors (213023).

2224321 is a wasteful number, since it uses less digits than its factorization.

2224321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its digits is 192, while the sum is 16.

The square root of 2224321 is about 1491.4157703337. The cubic root of 2224321 is about 130.5366572984.

Adding to 2224321 its reverse (1234222), we get a palindrome (3458543).

Subtracting from 2224321 its reverse (1234222), we obtain a palindrome (990099).

The spelling of 2224321 in words is "two million, two hundred twenty-four thousand, three hundred twenty-one".