11224217 has 4 divisors (see below), whose sum is σ = 11235840. Its totient is φ = 11212596.

The previous prime is 11224163. The next prime is 11224223. The reversal of 11224217 is 71242211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71242211 = 281 ⋅253531.

It is a cyclic number.

It is not a de Polignac number, because 11224217 - 2¹⁸ = 10962073 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11224277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4217 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (2808960).

Almost surely, 2^11224217 is an apocalyptic number.

It is an amenable number.

11224217 is a deficient number, since it is larger than the sum of its proper divisors (11623).

11224217 is a wasteful number, since it uses less digits than its factorization.

11224217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11622.

The product of its digits is 224, while the sum is 20.

The square root of 11224217 is about 3350.2562588554. The cubic root of 11224217 is about 223.8989300094.

Adding to 11224217 its reverse (71242211), we get a palindrome (82466428).

The spelling of 11224217 in words is "eleven million, two hundred twenty-four thousand, two hundred seventeen".