2144446 has 8 divisors (see below), whose sum is σ = 3303720. Its totient is φ = 1043208.

The previous prime is 2144437. The next prime is 2144449. The reversal of 2144446 is 6444412.

2144446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2144446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144449) 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 in 3 ways as a sum of consecutive naturals, for example, 14416 + ... + 14563.

It is an arithmetic number, because the mean of its divisors is an integer number (412965).

2^2144446 is an apocalyptic number.

2144446 is a deficient number, since it is larger than the sum of its proper divisors (1159274).

2144446 is a wasteful number, since it uses less digits than its factorization.

2144446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29018.

The product of its digits is 3072, while the sum is 25.

The square root of 2144446 is about 1464.3927068925. The cubic root of 2144446 is about 128.9550551516.

Adding to 2144446 its reverse (6444412), we get a palindrome (8588858).

The spelling of 2144446 in words is "two million, one hundred forty-four thousand, four hundred forty-six".