11223788 has 24 divisors (see below), whose sum is σ = 20224512. Its totient is φ = 5447504.

The previous prime is 11223787. The next prime is 11223803. The reversal of 11223788 is 88732211.

11223788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11223781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42545 + ... + 42807.

It is an arithmetic number, because the mean of its divisors is an integer number (842688).

Almost surely, 2^11223788 is an apocalyptic number.

It is an amenable number.

11223788 is a deficient number, since it is larger than the sum of its proper divisors (9000724).

11223788 is a wasteful number, since it uses less digits than its factorization.

11223788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 539 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 11223788 is about 3350.1922332905. The cubic root of 11223788 is about 223.8960774314.

Adding to 11223788 its reverse (88732211), we get a palindrome (99955999).

The spelling of 11223788 in words is "eleven million, two hundred twenty-three thousand, seven hundred eighty-eight".