2144425 has 12 divisors (see below), whose sum is σ = 2745856. Its totient is φ = 1659600.

The previous prime is 2144419. The next prime is 2144437. The reversal of 2144425 is 5244412.

It is a happy number.

It is not a de Polignac number, because 2144425 - 2¹¹ = 2142377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2144396 and 2144405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609 + ... + 2158.

2^2144425 is an apocalyptic number.

2144425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144425 is a deficient number, since it is larger than the sum of its proper divisors (601431).

2144425 is a wasteful number, since it uses less digits than its factorization.

2144425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808 (or 2803 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 2144425 is about 1464.3855366672. The cubic root of 2144425 is about 128.9546342092.

Adding to 2144425 its reverse (5244412), we get a palindrome (7388837).

The spelling of 2144425 in words is "two million, one hundred forty-four thousand, four hundred twenty-five".