11102224 has 75 divisors (see below), whose sum is σ = 26657117. Its totient is φ = 4478208.

The previous prime is 11102219. The next prime is 11102227. The reversal of 11102224 is 42220111.

It is a happy number.

The square root of 11102224 is 3332.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 2458624 = 2940^2 + 1568^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102227) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 653064 + ... + 653080.

Almost surely, 2^11102224 is an apocalyptic number.

11102224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11102224 is the 3332-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11102224

11102224 is an abundant number, since it is smaller than the sum of its proper divisors (15554893).

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

11102224 is an frugal number, since it uses more digits than its factorization.

11102224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The cubic root of 11102224 is about 223.0848075752.

Adding to 11102224 its reverse (42220111), we get a palindrome (53322335).

The spelling of 11102224 in words is "eleven million, one hundred two thousand, two hundred twenty-four".