4423013221 has 8 divisors (see below), whose sum is σ = 4859820000. Its totient is φ = 3991992240.

The previous prime is 4423013219. The next prime is 4423013237. The reversal of 4423013221 is 1223103244.

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 4423013221 - 2¹ = 4423013219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4423013192 and 4423013201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423013261) 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, 1444846 + ... + 1447903.

It is an arithmetic number, because the mean of its divisors is an integer number (607477500).

Almost surely, 2^4423013221 is an apocalyptic number.

It is an amenable number.

4423013221 is a deficient number, since it is larger than the sum of its proper divisors (436806779).

4423013221 is a wasteful number, since it uses less digits than its factorization.

4423013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892899.

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

The square root of 4423013221 is about 66505.7382561836. The cubic root of 4423013221 is about 1641.4944266523.

Adding to 4423013221 its reverse (1223103244), we get a palindrome (5646116465).

The spelling of 4423013221 in words is "four billion, four hundred twenty-three million, thirteen thousand, two hundred twenty-one".