11228288 has 16 divisors (see below), whose sum is σ = 22369110. Its totient is φ = 5614080.

The previous prime is 11228267. The next prime is 11228299. The reversal of 11228288 is 88282211.

It can be written as a sum of positive squares in only one way, i.e., 10291264 + 937024 = 3208^2 + 968^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43733 + ... + 43988.

Almost surely, 2^11228288 is an apocalyptic number.

It is an amenable number.

11228288 is a deficient number, since it is larger than the sum of its proper divisors (11140822).

11228288 is an frugal number, since it uses more digits than its factorization.

11228288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87735 (or 87723 counting only the distinct ones).

The product of its digits is 4096, while the sum is 32.

The square root of 11228288 is about 3350.8637692392. The cubic root of 11228288 is about 223.9259959618.

The spelling of 11228288 in words is "eleven million, two hundred twenty-eight thousand, two hundred eighty-eight".