11522 has 8 divisors (see below), whose sum is σ = 19776. Its totient is φ = 4932.

The previous prime is 11519. The next prime is 11527. The reversal of 11522 is 22511.

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

It is a cake number, because a cake can be divided into 11522 parts by 41 planar cuts.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 11522.

It is not an unprimeable number, because it can be changed into a prime (11527) by changing a digit.

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, 398 + ... + 425.

It is an arithmetic number, because the mean of its divisors is an integer number (2472).

2¹¹⁵²² is an apocalyptic number.

11522 is a deficient number, since it is larger than the sum of its proper divisors (8254).

11522 is an equidigital number, since it uses as much as digits as its factorization.

11522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832.

The product of its digits is 20, while the sum is 11.

The square root of 11522 is about 107.3405794655. The cubic root of 11522 is about 22.5861716120.

Subtracting from 11522 its sum of digits (11), we obtain a palindrome (11511).

It can be divided in two parts, 1152 and 2, that multiplied together give a square (2304 = 48²).

The spelling of 11522 in words is "eleven thousand, five hundred twenty-two".