11422 has 4 divisors (see below), whose sum is σ = 17136. Its totient is φ = 5710.

The previous prime is 11411. The next prime is 11423. The reversal of 11422 is 22411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22411 = 73 ⋅307.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 11399 and 11408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423) by changing a digit.

11422 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 as a sum of consecutive naturals, namely, 2854 + ... + 2857.

It is an arithmetic number, because the mean of its divisors is an integer number (4284).

2¹¹⁴²² is an apocalyptic number.

11422 is a deficient number, since it is larger than the sum of its proper divisors (5714).

11422 is an equidigital number, since it uses as much as digits as its factorization.

11422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713.

The product of its digits is 16, while the sum is 10.

The square root of 11422 is about 106.8737573027. The cubic root of 11422 is about 22.5206394976.

Adding to 11422 its reverse (22411), we get a palindrome (33833).

It can be divided in two parts, 114 and 22, that added together give a triangular number (136 = T₁₆).

The spelling of 11422 in words is "eleven thousand, four hundred twenty-two", and thus it is an iban number.