4421023321 has 16 divisors (see below), whose sum is σ = 5212726848. Its totient is φ = 3696523200.

The previous prime is 4421023267. The next prime is 4421023337. The reversal of 4421023321 is 1233201244.

It is a cyclic number.

It is not a de Polignac number, because 4421023321 - 2¹¹ = 4421021273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4421023292 and 4421023301.

It is not an unprimeable number, because it can be changed into a prime (4421023351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16195 + ... + 95416.

It is an arithmetic number, because the mean of its divisors is an integer number (325795428).

Almost surely, 2^4421023321 is an apocalyptic number.

It is an amenable number.

4421023321 is a deficient number, since it is larger than the sum of its proper divisors (791703527).

4421023321 is a wasteful number, since it uses less digits than its factorization.

4421023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111912.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4421023321 is about 66490.7762099376. The cubic root of 4421023321 is about 1641.2482219673.

Adding to 4421023321 its reverse (1233201244), we get a palindrome (5654224565).

The spelling of 4421023321 in words is "four billion, four hundred twenty-one million, twenty-three thousand, three hundred twenty-one".