11225718 has 72 divisors (see below), whose sum is σ = 29029104. Its totient is φ = 3070080.

The previous prime is 11225717. The next prime is 11225741. The reversal of 11225718 is 81752211.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11225691 and 11225700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225717) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 211780 + ... + 211832.

It is an arithmetic number, because the mean of its divisors is an integer number (403182).

Almost surely, 2^11225718 is an apocalyptic number.

11225718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11225718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14514552).

11225718 is an abundant number, since it is smaller than the sum of its proper divisors (17803386).

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

11225718 is a wasteful number, since it uses less digits than its factorization.

11225718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 106 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 11225718 is about 3350.4802640816. The cubic root of 11225718 is about 223.9089101358.

Adding to 11225718 its reverse (81752211), we get a palindrome (92977929).

The spelling of 11225718 in words is "eleven million, two hundred twenty-five thousand, seven hundred eighteen".