4442423232021 has 8 divisors (see below), whose sum is σ = 6020333123424. Its totient is φ = 2913064414320.

The previous prime is 4442423232019. The next prime is 4442423232031. The reversal of 4442423232021 is 1202323242444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4442423232021 - 2¹ = 4442423232019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442423232001) 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, 12137768211 + ... + 12137768576.

It is an arithmetic number, because the mean of its divisors is an integer number (752541640428).

Almost surely, 2^{4442423232021} is an apocalyptic number.

It is an amenable number.

4442423232021 is a deficient number, since it is larger than the sum of its proper divisors (1577909891403).

4442423232021 is a wasteful number, since it uses less digits than its factorization.

4442423232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24275536851.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4442423232021 its reverse (1202323242444), we get a palindrome (5644746474465).

The spelling of 4442423232021 in words is "four trillion, four hundred forty-two billion, four hundred twenty-three million, two hundred thirty-two thousand, twenty-one".