43085522 has 4 divisors (see below), whose sum is σ = 64628286. Its totient is φ = 21542760.

The previous prime is 43085491. The next prime is 43085551. The reversal of 43085522 is 22558034.

43085522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22558034 = 2 ⋅11279017.

It can be written as a sum of positive squares in only one way, i.e., 23804641 + 19280881 = 4879^2 + 4391^2 .

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 as a sum of consecutive naturals, namely, 10771379 + ... + 10771382.

Almost surely, 2^43085522 is an apocalyptic number.

43085522 is a deficient number, since it is larger than the sum of its proper divisors (21542764).

43085522 is a wasteful number, since it uses less digits than its factorization.

43085522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21542763.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 43085522 is about 6563.9562765149. The cubic root of 43085522 is about 350.5719139404.

The spelling of 43085522 in words is "forty-three million, eighty-five thousand, five hundred twenty-two".