43205225 has 24 divisors (see below), whose sum is σ = 61543680. Its totient is φ = 29473920.

The previous prime is 43205203. The next prime is 43205249. The reversal of 43205225 is 52250234.

It is not a de Polignac number, because 43205225 - 2⁶ = 43205161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43205225.

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 23 ways as a sum of consecutive naturals, for example, 41309 + ... + 42341.

It is an arithmetic number, because the mean of its divisors is an integer number (2564320).

Almost surely, 2^43205225 is an apocalyptic number.

It is an amenable number.

43205225 is a deficient number, since it is larger than the sum of its proper divisors (18338455).

43205225 is a wasteful number, since it uses less digits than its factorization.

43205225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 43205225 is about 6573.0681572611. The cubic root of 43205225 is about 350.8962743048.

Adding to 43205225 its reverse (52250234), we get a palindrome (95455459).

The spelling of 43205225 in words is "forty-three million, two hundred five thousand, two hundred twenty-five".