11219664 has 20 divisors (see below), whose sum is σ = 28984256. Its totient is φ = 3739872.

The previous prime is 11219639. The next prime is 11219683. The reversal of 11219664 is 46691211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 116824 + ... + 116919.

Almost surely, 2^11219664 is an apocalyptic number.

It is an amenable number.

11219664 is an abundant number, since it is smaller than the sum of its proper divisors (17764592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11219664 is a wasteful number, since it uses less digits than its factorization.

11219664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233754 (or 233748 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 11219664 is about 3349.5766896729. The cubic root of 11219664 is about 223.8686517371.

The spelling of 11219664 in words is "eleven million, two hundred nineteen thousand, six hundred sixty-four".