4424242321 has 8 divisors (see below), whose sum is σ = 4671173600. Its totient is φ = 4178718720.

The previous prime is 4424242271. The next prime is 4424242387. The reversal of 4424242321 is 1232424244.

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 4424242321 - 2¹⁵ = 4424209553 is a prime.

It is a super-2 number, since 2×4424242321² = 39147840229854934082, which contains 22 as substring.

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 4424242321.

It is not an unprimeable number, because it can be changed into a prime (4424242621) 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, 345456 + ... + 358033.

It is an arithmetic number, because the mean of its divisors is an integer number (583896700).

Almost surely, 2^4424242321 is an apocalyptic number.

It is an amenable number.

4424242321 is a deficient number, since it is larger than the sum of its proper divisors (246931279).

4424242321 is a wasteful number, since it uses less digits than its factorization.

4424242321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703839.

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

The square root of 4424242321 is about 66514.9781703339. The cubic root of 4424242321 is about 1641.6464628203.

Adding to 4424242321 its reverse (1232424244), we get a palindrome (5656666565).

The spelling of 4424242321 in words is "four billion, four hundred twenty-four million, two hundred forty-two thousand, three hundred twenty-one".