11224276 has 48 divisors (see below), whose sum is σ = 24272640. Its totient is φ = 4435200.

The previous prime is 11224271. The next prime is 11224277. The reversal of 11224276 is 67242211.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11224276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11224271) 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 15 ways as a sum of consecutive naturals, for example, 18376 + ... + 18976.

It is an arithmetic number, because the mean of its divisors is an integer number (505680).

Almost surely, 2^11224276 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 11224276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12136320).

11224276 is an abundant number, since it is smaller than the sum of its proper divisors (13048364).

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

11224276 is a wasteful number, since it uses less digits than its factorization.

11224276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 662 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 11224276 is about 3350.2650641404. The cubic root of 11224276 is about 223.8993223163.

Adding to 11224276 its reverse (67242211), we get a palindrome (78466487).

The spelling of 11224276 in words is "eleven million, two hundred twenty-four thousand, two hundred seventy-six".