2021444322 has 16 divisors (see below), whose sum is σ = 4043829792. Its totient is φ = 673657920.

The previous prime is 2021444297. The next prime is 2021444323. The reversal of 2021444322 is 2234441202.

It is a junction number, because it is equal to n+sod(n) for n = 2021444292 and 2021444301.

It is not an unprimeable number, because it can be changed into a prime (2021444323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9568 + ... + 64299.

It is an arithmetic number, because the mean of its divisors is an integer number (252739362).

Almost surely, 2^2021444322 is an apocalyptic number.

2021444322 is an abundant number, since it is smaller than the sum of its proper divisors (2022385470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021444322 is a wasteful number, since it uses less digits than its factorization.

2021444322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78433.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2021444322 is about 44960.4751086996. The cubic root of 2021444322 is about 1264.4080764768.

Adding to 2021444322 its reverse (2234441202), we get a palindrome (4255885524).

The spelling of 2021444322 in words is "two billion, twenty-one million, four hundred forty-four thousand, three hundred twenty-two".