11228773 has 4 divisors (see below), whose sum is σ = 11236320. Its totient is φ = 11221228.

The previous prime is 11228747. The next prime is 11228779. The reversal of 11228773 is 37782211.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11228773 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11228779) 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, 715 + ... + 4792.

It is an arithmetic number, because the mean of its divisors is an integer number (2809080).

Almost surely, 2^11228773 is an apocalyptic number.

It is an amenable number.

11228773 is a deficient number, since it is larger than the sum of its proper divisors (7547).

11228773 is an equidigital number, since it uses as much as digits as its factorization.

11228773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546.

The product of its digits is 4704, while the sum is 31.

The square root of 11228773 is about 3350.9361378576. The cubic root of 11228773 is about 223.9292200372.

The spelling of 11228773 in words is "eleven million, two hundred twenty-eight thousand, seven hundred seventy-three".