4244305321 has 4 divisors (see below), whose sum is σ = 4248788112. Its totient is φ = 4239822532.

The previous prime is 4244305319. The next prime is 4244305327. The reversal of 4244305321 is 1235034424.

It is a happy number.

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 4244305321 - 2¹ = 4244305319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4244305321.

It is not an unprimeable number, because it can be changed into a prime (4244305327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239975 + ... + 2241868.

It is an arithmetic number, because the mean of its divisors is an integer number (1062197028).

Almost surely, 2^4244305321 is an apocalyptic number.

It is an amenable number.

4244305321 is a deficient number, since it is larger than the sum of its proper divisors (4482791).

4244305321 is an equidigital number, since it uses as much as digits as its factorization.

4244305321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482790.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4244305321 is about 65148.3332173587. Note that the first 3 decimals coincide. The cubic root of 4244305321 is about 1619.0821047439.

Adding to 4244305321 its reverse (1235034424), we get a palindrome (5479339745).

The spelling of 4244305321 in words is "four billion, two hundred forty-four million, three hundred five thousand, three hundred twenty-one".