43412225 has 12 divisors (see below), whose sum is σ = 53915820. Its totient is φ = 34675200.

The previous prime is 43412219. The next prime is 43412233. The reversal of 43412225 is 52221434.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 588289 + 42823936 = 767^2 + 6544^2 .

It is not a de Polignac number, because 43412225 - 2⁴ = 43412209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43412225.

It is a congruent number.

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, 24365 + ... + 26085.

It is an arithmetic number, because the mean of its divisors is an integer number (4492985).

Almost surely, 2^43412225 is an apocalyptic number.

It is an amenable number.

43412225 is a deficient number, since it is larger than the sum of its proper divisors (10503595).

43412225 is a wasteful number, since it uses less digits than its factorization.

43412225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740 (or 2735 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 43412225 is about 6588.7954134273. The cubic root of 43412225 is about 351.4557732659.

Adding to 43412225 its reverse (52221434), we get a palindrome (95633659).

The spelling of 43412225 in words is "forty-three million, four hundred twelve thousand, two hundred twenty-five".