2544244 has 6 divisors (see below), whose sum is σ = 4452434. Its totient is φ = 1272120.

The previous prime is 2544239. The next prime is 2544247. The reversal of 2544244 is 4424452.

It is a happy number.

2544244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2521744 + 22500 = 1588^2 + 150^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318027 + ... + 318034.

2^2544244 is an apocalyptic number.

It is an amenable number.

2544244 is a deficient number, since it is larger than the sum of its proper divisors (1908190).

2544244 is a wasteful number, since it uses less digits than its factorization.

2544244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636065 (or 636063 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 2544244 is about 1595.0686505602. The cubic root of 2544244 is about 136.5168481844.

Adding to 2544244 its reverse (4424452), we get a palindrome (6968696).

The spelling of 2544244 in words is "two million, five hundred forty-four thousand, two hundred forty-four".