2144444225 has 24 divisors (see below), whose sum is σ = 3315258048. Its totient is φ = 1336795200.

The previous prime is 2144444219. The next prime is 2144444233. The reversal of 2144444225 is 5224444412.

It is not a de Polignac number, because 2144444225 - 2¹⁰ = 2144443201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2144444191 and 2144444200.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 555074 + ... + 558923.

It is an arithmetic number, because the mean of its divisors is an integer number (138135752).

Almost surely, 2^2144444225 is an apocalyptic number.

2144444225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144444225 is a deficient number, since it is larger than the sum of its proper divisors (1170813823).

2144444225 is a wasteful number, since it uses less digits than its factorization.

2144444225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114025 (or 1114020 counting only the distinct ones).

The product of its digits is 40960, while the sum is 32.

The square root of 2144444225 is about 46308.1442621058. The cubic root of 2144444225 is about 1289.5501957209.

Adding to 2144444225 its reverse (5224444412), we get a palindrome (7368888637).

The spelling of 2144444225 in words is "two billion, one hundred forty-four million, four hundred forty-four thousand, two hundred twenty-five".