2144441 has 6 divisors (see below), whose sum is σ = 2322270. Its totient is φ = 1979328.

The previous prime is 2144437. The next prime is 2144449. The reversal of 2144441 is 1444412.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 102400 + 2042041 = 320^2 + 1429^2 .

It is not a de Polignac number, because 2144441 - 2² = 2144437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2144449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6176 + ... + 6513.

It is an arithmetic number, because the mean of its divisors is an integer number (387045).

2^2144441 is an apocalyptic number.

It is an amenable number.

2144441 is a deficient number, since it is larger than the sum of its proper divisors (177829).

2144441 is a wasteful number, since it uses less digits than its factorization.

2144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12715 (or 12702 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 2144441 is about 1464.3909996992. The cubic root of 2144441 is about 128.9549549275.

Adding to 2144441 its reverse (1444412), we get a palindrome (3588853).

It can be divided in two parts, 2 and 144441, that multiplied together give a palindrome (288882).

The spelling of 2144441 in words is "two million, one hundred forty-four thousand, four hundred forty-one".