11222241 has 4 divisors (see below), whose sum is σ = 14962992.
Its totient is φ = 7481492.
The previous prime is 11222219. The next prime is 11222243. The reversal of 11222241 is 14222211.
Adding to 11222241 its reverse (14222211), we get a palindrome (25444452).
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 11222241 - 25 = 11222209 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 11222241.
It is not an unprimeable number, because it can be changed into a prime (11222243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870371 + ... + 1870376.
It is an arithmetic number, because the mean of its divisors is an integer number (3740748).
Almost surely, 211222241 is an apocalyptic number.
It is an amenable number.
11222241 is a deficient number, since it is larger than the sum of its proper divisors (3740751).
11222241 is an equidigital number, since it uses as much as digits as its factorization.
11222241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3740750.
The product of its digits is 64, while the sum is 15.
The square root of 11222241 is about 3349.9613430605.
The cubic root of 11222241 is about 223.8857902584.
The spelling of 11222241 in words is "eleven million, two hundred twenty-two thousand, two hundred forty-one".