4442242321 has 8 divisors (see below), whose sum is σ = 4847194944. Its totient is φ = 4037475120.

The previous prime is 4442242279. The next prime is 4442242339. The reversal of 4442242321 is 1232422444.

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 4442242321 - 2¹³ = 4442234129 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 4442242321.

It is not an unprimeable number, because it can be changed into a prime (4442242391) 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, 6355 + ... + 94471.

It is an arithmetic number, because the mean of its divisors is an integer number (605899368).

Almost surely, 2^4442242321 is an apocalyptic number.

It is an amenable number.

4442242321 is a deficient number, since it is larger than the sum of its proper divisors (404952623).

4442242321 is a wasteful number, since it uses less digits than its factorization.

4442242321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92711.

The product of its digits is 12288, while the sum is 28.

The square root of 4442242321 is about 66650.1486945078. The cubic root of 4442242321 is about 1643.8697928550.

Adding to 4442242321 its reverse (1232422444), we get a palindrome (5674664765).

It can be divided in two parts, 44422423 and 21, that added together give a palindrome (44422444).

The spelling of 4442242321 in words is "four billion, four hundred forty-two million, two hundred forty-two thousand, three hundred twenty-one".