11663226 has 48 divisors (see below), whose sum is σ = 27050400. Its totient is φ = 3621024.

The previous prime is 11663219. The next prime is 11663227. The reversal of 11663226 is 62236611.

11663226 is a `hidden beast` number, since 1 + 1 + 6 + 632 + 26 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11663226.

It is not an unprimeable number, because it can be changed into a prime (11663227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22660 + ... + 23168.

It is an arithmetic number, because the mean of its divisors is an integer number (563550).

Almost surely, 2^11663226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11663226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13525200).

11663226 is an abundant number, since it is smaller than the sum of its proper divisors (15387174).

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

11663226 is a wasteful number, since it uses less digits than its factorization.

11663226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 600 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 11663226 is about 3415.1465561525. The cubic root of 11663226 is about 226.7807725178.

Adding to 11663226 its reverse (62236611), we get a palindrome (73899837).

The spelling of 11663226 in words is "eleven million, six hundred sixty-three thousand, two hundred twenty-six".