22241 has 4 divisors (see below), whose sum is σ = 23232. Its totient is φ = 21252.

The previous prime is 22229. The next prime is 22247. The reversal of 22241 is 14222.

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 not a de Polignac number, because 22241 - 2¹⁴ = 5857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (22247) 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, 461 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (5808).

2²²²⁴¹ is an apocalyptic number.

It is an amenable number.

22241 is a deficient number, since it is larger than the sum of its proper divisors (991).

22241 is an equidigital number, since it uses as much as digits as its factorization.

22241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its digits is 32, while the sum is 11.

The square root of 22241 is about 149.1341677819. The cubic root of 22241 is about 28.1223388429.

Adding to 22241 its reverse (14222), we get a palindrome (36463).

The spelling of 22241 in words is "twenty-two thousand, two hundred forty-one", and thus it is an iban number.