23522 has 8 divisors (see below), whose sum is σ = 37200. Its totient is φ = 11124.

The previous prime is 23509. The next prime is 23531. The reversal of 23522 is 22532.

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

It is a d-powerful number, because it can be written as 2¹⁰ + 3⁶ + 5⁶ + 2¹¹ + 2¹² .

It is a junction number, because it is equal to n+sod(n) for n = 23497 and 23506.

It is an unprimeable number.

23522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272 + ... + 347.

It is an arithmetic number, because the mean of its divisors is an integer number (4650).

2²³⁵²² is an apocalyptic number.

23522 is a deficient number, since it is larger than the sum of its proper divisors (13678).

23522 is a wasteful number, since it uses less digits than its factorization.

23522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its digits is 120, while the sum is 14.

The square root of 23522 is about 153.3688364695. The cubic root of 23522 is about 28.6522071180.

Subtracting from 23522 its reverse (22532), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 23 and 522, that added together give a palindrome (545).

The spelling of 23522 in words is "twenty-three thousand, five hundred twenty-two".