11122388 has 6 divisors (see below), whose sum is σ = 19464186. Its totient is φ = 5561192.

The previous prime is 11122387. The next prime is 11122393. The reversal of 11122388 is 88322111.

It can be written as a sum of positive squares in only one way, i.e., 11102224 + 20164 = 3332^2 + 142^2 .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390295 + ... + 1390302.

It is an arithmetic number, because the mean of its divisors is an integer number (3244031).

Almost surely, 2^11122388 is an apocalyptic number.

It is an amenable number.

11122388 is a deficient number, since it is larger than the sum of its proper divisors (8341798).

11122388 is a wasteful number, since it uses less digits than its factorization.

11122388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780601 (or 2780599 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 11122388 is about 3335.0244376916. The cubic root of 11122388 is about 223.2197823792.

Adding to 11122388 its reverse (88322111), we get a palindrome (99444499).

The spelling of 11122388 in words is "eleven million, one hundred twenty-two thousand, three hundred eighty-eight".