11221984 has 24 divisors (see below), whose sum is σ = 22270248. Its totient is φ = 5566080.

The previous prime is 11221967. The next prime is 11221993. The reversal of 11221984 is 48912211.

It is a congruent number.

It is an unprimeable number.

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, 2854 + ... + 5530.

It is an arithmetic number, because the mean of its divisors is an integer number (927927).

Almost surely, 2^11221984 is an apocalyptic number.

It is an amenable number.

11221984 is a deficient number, since it is larger than the sum of its proper divisors (11048264).

11221984 is a wasteful number, since it uses less digits than its factorization.

11221984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818 (or 2810 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

The square root of 11221984 is about 3349.9229841893. The cubic root of 11221984 is about 223.8840811794.

The spelling of 11221984 in words is "eleven million, two hundred twenty-one thousand, nine hundred eighty-four".