22141 has 4 divisors (see below), whose sum is σ = 25312. Its totient is φ = 18972.

The previous prime is 22133. The next prime is 22147. The reversal of 22141 is 14122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22141 - 2³ = 22133 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575 + ... + 1588.

It is an arithmetic number, because the mean of its divisors is an integer number (6328).

2²²¹⁴¹ is an apocalyptic number.

It is an amenable number.

22141 is a deficient number, since it is larger than the sum of its proper divisors (3171).

22141 is an equidigital number, since it uses as much as digits as its factorization.

22141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170.

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

The square root of 22141 is about 148.7985214980. The cubic root of 22141 is about 28.0801276228.

Adding to 22141 its reverse (14122), we get a palindrome (36263).

It can be divided in two parts, 221 and 41, that added together give a palindrome (262).

The spelling of 22141 in words is "twenty-two thousand, one hundred forty-one", and thus it is an iban number.