43225115 has 4 divisors (see below), whose sum is σ = 51870144. Its totient is φ = 34580088.

The previous prime is 43225103. The next prime is 43225121. The reversal of 43225115 is 51152234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43225115 - 2¹⁰ = 43224091 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 4322507 + ... + 4322516.

It is an arithmetic number, because the mean of its divisors is an integer number (12967536).

Almost surely, 2^43225115 is an apocalyptic number.

43225115 is a deficient number, since it is larger than the sum of its proper divisors (8645029).

43225115 is an equidigital number, since it uses as much as digits as its factorization.

43225115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645028.

The product of its digits is 1200, while the sum is 23.

The square root of 43225115 is about 6574.5809752409. The cubic root of 43225115 is about 350.9501123623.

Adding to 43225115 its reverse (51152234), we get a palindrome (94377349).

The spelling of 43225115 in words is "forty-three million, two hundred twenty-five thousand, one hundred fifteen".