43522 has 8 divisors (see below), whose sum is σ = 66816. Its totient is φ = 21252.

The previous prime is 43517. The next prime is 43541. The reversal of 43522 is 22534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43496 and 43505.

It is an unprimeable number.

43522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138 + ... + 325.

It is an arithmetic number, because the mean of its divisors is an integer number (8352).

2⁴³⁵²² is an apocalyptic number.

43522 is a deficient number, since it is larger than the sum of its proper divisors (23294).

43522 is a wasteful number, since it uses less digits than its factorization.

43522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its digits is 240, while the sum is 16.

The square root of 43522 is about 208.6192704426. The cubic root of 43522 is about 35.1751761962.

It can be divided in two parts, 43 and 522, that added together give a palindrome (565).

The spelling of 43522 in words is "forty-three thousand, five hundred twenty-two".