11125224 has 72 divisors (see below), whose sum is σ = 33144930. Its totient is φ = 3368640.

The previous prime is 11125223. The next prime is 11125243. The reversal of 11125224 is 42252111.

It can be written as a sum of positive squares in only one way, i.e., 8820900 + 2304324 = 2970^2 + 1518^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11125197 and 11125206.

It is not an unprimeable number, because it can be changed into a prime (11125223) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 8074 + ... + 9350.

Almost surely, 2^11125224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11125224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16572465).

11125224 is an abundant number, since it is smaller than the sum of its proper divisors (22019706).

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

11125224 is a wasteful number, since it uses less digits than its factorization.

11125224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1293 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 11125224 is about 3335.4495948822. The cubic root of 11125224 is about 223.2387530507.

Adding to 11125224 its reverse (42252111), we get a palindrome (53377335).

It can be divided in two parts, 1112 and 5224, that added together give a palindrome (6336).

The spelling of 11125224 in words is "eleven million, one hundred twenty-five thousand, two hundred twenty-four".