11011224 has 32 divisors (see below), whose sum is σ = 31461120. Its totient is φ = 3146016.

The previous prime is 11011211. The next prime is 11011243. The reversal of 11011224 is 42211011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32604 + ... + 32939.

It is an arithmetic number, because the mean of its divisors is an integer number (983160).

Almost surely, 2^11011224 is an apocalyptic number.

11011224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11011224 is an abundant number, since it is smaller than the sum of its proper divisors (20449896).

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

11011224 is a wasteful number, since it uses less digits than its factorization.

11011224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65559 (or 65555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11011224 is about 3318.3164406066. The cubic root of 11011224 is about 222.4736256244.

Adding to 11011224 its reverse (42211011), we get a palindrome (53222235).

The spelling of 11011224 in words is "eleven million, eleven thousand, two hundred twenty-four".