2044333021 has 12 divisors (see below), whose sum is σ = 2116333332. Its totient is φ = 1974560000.

The previous prime is 2044332959. The next prime is 2044333051. The reversal of 2044333021 is 1203334402.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 83083225 + 1961249796 = 9115^2 + 44286^2 .

It is not a de Polignac number, because 2044333021 - 2⁷ = 2044332893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2044332983 and 2044333001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044333051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163761 + ... + 175801.

It is an arithmetic number, because the mean of its divisors is an integer number (176361111).

Almost surely, 2^2044333021 is an apocalyptic number.

It is an amenable number.

2044333021 is a deficient number, since it is larger than the sum of its proper divisors (72000311).

2044333021 is a wasteful number, since it uses less digits than its factorization.

2044333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224 (or 12183 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2044333021 is about 45214.3010672508. The cubic root of 2044333021 is about 1269.1624504337.

Adding to 2044333021 its reverse (1203334402), we get a palindrome (3247667423).

The spelling of 2044333021 in words is "two billion, forty-four million, three hundred thirty-three thousand, twenty-one".