2304221 has 4 divisors (see below), whose sum is σ = 2316000. Its totient is φ = 2292444.

The previous prime is 2304217. The next prime is 2304223. The reversal of 2304221 is 1224032.

2304221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2304221 - 2² = 2304217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2304196 and 2304205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5591 + ... + 5988.

It is an arithmetic number, because the mean of its divisors is an integer number (579000).

2^2304221 is an apocalyptic number.

It is an amenable number.

2304221 is a deficient number, since it is larger than the sum of its proper divisors (11779).

2304221 is a wasteful number, since it uses less digits than its factorization.

2304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11778.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2304221 is about 1517.9660734022. The cubic root of 2304221 is about 132.0813127717.

Adding to 2304221 its reverse (1224032), we get a palindrome (3528253).

The spelling of 2304221 in words is "two million, three hundred four thousand, two hundred twenty-one".