11072288 has 24 divisors (see below), whose sum is σ = 22947120. Its totient is φ = 5244480.

The previous prime is 11072279. The next prime is 11072291. The reversal of 11072288 is 88227011.

It is a self number, because there is not a number n which added to its sum of digits gives 11072288.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8498 + ... + 9713.

It is an arithmetic number, because the mean of its divisors is an integer number (956130).

Almost surely, 2^11072288 is an apocalyptic number.

It is an amenable number.

11072288 is an abundant number, since it is smaller than the sum of its proper divisors (11874832).

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

11072288 is a wasteful number, since it uses less digits than its factorization.

11072288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18240 (or 18232 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 11072288 is about 3327.5047708456. The cubic root of 11072288 is about 222.8841187095.

Adding to 11072288 its reverse (88227011), we get a palindrome (99299299).

The spelling of 11072288 in words is "eleven million, seventy-two thousand, two hundred eighty-eight".