11224331 has 4 divisors (see below), whose sum is σ = 11231064. Its totient is φ = 11217600.

The previous prime is 11224321. The next prime is 11224349. The reversal of 11224331 is 13342211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13342211 = 311 ⋅42901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11224331 is a prime.

It is a super-2 number, since 2×11224331² = 251971212795122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11224321) 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, 1196 + ... + 4886.

It is an arithmetic number, because the mean of its divisors is an integer number (2807766).

Almost surely, 2^11224331 is an apocalyptic number.

11224331 is a deficient number, since it is larger than the sum of its proper divisors (6733).

11224331 is an equidigital number, since it uses as much as digits as its factorization.

11224331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732.

The product of its digits is 144, while the sum is 17.

The square root of 11224331 is about 3350.2732724361. The cubic root of 11224331 is about 223.8996880249.

Adding to 11224331 its reverse (13342211), we get a palindrome (24566542).

The spelling of 11224331 in words is "eleven million, two hundred twenty-four thousand, three hundred thirty-one".