43197225 has 12 divisors (see below), whose sum is σ = 71419536. Its totient is φ = 23038480.

The previous prime is 43197223. The next prime is 43197233. The reversal of 43197225 is 52279134.

It is not a de Polignac number, because 43197225 - 2¹ = 43197223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43197223) by changing a digit.

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, 287907 + ... + 288056.

It is an arithmetic number, because the mean of its divisors is an integer number (5951628).

Almost surely, 2^43197225 is an apocalyptic number.

It is an amenable number.

43197225 is a deficient number, since it is larger than the sum of its proper divisors (28222311).

43197225 is a wasteful number, since it uses less digits than its factorization.

43197225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575976 (or 575971 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 43197225 is about 6572.4595852694. The cubic root of 43197225 is about 350.8746153235.

The spelling of 43197225 in words is "forty-three million, one hundred ninety-seven thousand, two hundred twenty-five".