43224425 has 6 divisors (see below), whose sum is σ = 53598318. Its totient is φ = 34579520.

The previous prime is 43224409. The next prime is 43224457. The reversal of 43224425 is 52442234.

It is a happy number.

43224425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 10471696 + 32752729 = 3236^2 + 5723^2 .

It is not a de Polignac number, because 43224425 - 2⁴ = 43224409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43224394 and 43224403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 864464 + ... + 864513.

It is an arithmetic number, because the mean of its divisors is an integer number (8933053).

Almost surely, 2^43224425 is an apocalyptic number.

It is an amenable number.

43224425 is a deficient number, since it is larger than the sum of its proper divisors (10373893).

43224425 is a wasteful number, since it uses less digits than its factorization.

43224425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728987 (or 1728982 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 43224425 is about 6574.5285002044. The cubic root of 43224425 is about 350.9482449536.

Adding to 43224425 its reverse (52442234), we get a palindrome (95666659).

The spelling of 43224425 in words is "forty-three million, two hundred twenty-four thousand, four hundred twenty-five".