2144225 has 12 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 1702800.

The previous prime is 2144213. The next prime is 2144243. The reversal of 2144225 is 5224412.

It is a happy number.

2144225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2144225 - 2⁴ = 2144209 is a prime.

Its product of digits (640) is a multiple of the sum of its prime factors (640).

It is a junction number, because it is equal to n+sod(n) for n = 2144197 and 2144206.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4760 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (223200).

2^2144225 is an apocalyptic number.

2144225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144225 is a deficient number, since it is larger than the sum of its proper divisors (534175).

2144225 is a wasteful number, since it uses less digits than its factorization.

2144225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 635 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 2144225 is about 1464.3172470472. The cubic root of 2144225 is about 128.9506250959.

Adding to 2144225 its reverse (5224412), we get a palindrome (7368637).

The spelling of 2144225 in words is "two million, one hundred forty-four thousand, two hundred twenty-five".