2204240321 has 4 divisors (see below), whose sum is σ = 2221596672. Its totient is φ = 2186883972.

The previous prime is 2204240309. The next prime is 2204240377. The reversal of 2204240321 is 1230424022.

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 2204240321 - 2¹⁸ = 2203978177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2204240293 and 2204240302.

It is not an unprimeable number, because it can be changed into a prime (2204240821) 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, 8677985 + ... + 8678238.

It is an arithmetic number, because the mean of its divisors is an integer number (555399168).

Almost surely, 2^2204240321 is an apocalyptic number.

It is an amenable number.

2204240321 is a deficient number, since it is larger than the sum of its proper divisors (17356351).

2204240321 is a wasteful number, since it uses less digits than its factorization.

2204240321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17356350.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2204240321 is about 46949.3378121566. The cubic root of 2204240321 is about 1301.4265053095.

Adding to 2204240321 its reverse (1230424022), we get a palindrome (3434664343).

The spelling of 2204240321 in words is "two billion, two hundred four million, two hundred forty thousand, three hundred twenty-one".