2044281 has 4 divisors (see below), whose sum is σ = 2725712. Its totient is φ = 1362852.

The previous prime is 2044279. The next prime is 2044321. The reversal of 2044281 is 1824402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2044281 - 2¹ = 2044279 is a prime.

It is a super-2 number, since 2×2044281² = 8358169613922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2044201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340711 + ... + 340716.

It is an arithmetic number, because the mean of its divisors is an integer number (681428).

2^2044281 is an apocalyptic number.

It is an amenable number.

2044281 is a deficient number, since it is larger than the sum of its proper divisors (681431).

2044281 is an equidigital number, since it uses as much as digits as its factorization.

2044281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681430.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2044281 is about 1429.7835500522. The cubic root of 2044281 is about 126.9151685120.

Adding to 2044281 its reverse (1824402), we get a palindrome (3868683).

The spelling of 2044281 in words is "two million, forty-four thousand, two hundred eighty-one".