11224288 has 24 divisors (see below), whose sum is σ = 23262120. Its totient is φ = 5316480.

The previous prime is 11224277. The next prime is 11224289. The reversal of 11224288 is 88242211.

It is a super-2 number, since 2×11224288² = 251969282213888, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11224289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8623 + ... + 9838.

It is an arithmetic number, because the mean of its divisors is an integer number (969255).

Almost surely, 2^11224288 is an apocalyptic number.

It is an amenable number.

11224288 is an abundant number, since it is smaller than the sum of its proper divisors (12037832).

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

11224288 is a wasteful number, since it uses less digits than its factorization.

11224288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18490 (or 18482 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 11224288 is about 3350.2668550430. The cubic root of 11224288 is about 223.8994021074.

Adding to 11224288 its reverse (88242211), we get a palindrome (99466499).

The spelling of 11224288 in words is "eleven million, two hundred twenty-four thousand, two hundred eighty-eight".