11022788 has 12 divisors (see below), whose sum is σ = 22045632. Its totient is φ = 4724040.

The previous prime is 11022757. The next prime is 11022799. The reversal of 11022788 is 88722011.

11022788 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11022788.

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, 196808 + ... + 196863.

It is an arithmetic number, because the mean of its divisors is an integer number (1837136).

Almost surely, 2^11022788 is an apocalyptic number.

It is an amenable number.

11022788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11022788 is a wasteful number, since it uses less digits than its factorization.

11022788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393682 (or 393680 counting only the distinct ones).

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

The square root of 11022788 is about 3320.0584332207. The cubic root of 11022788 is about 222.5514790619.

Adding to 11022788 its reverse (88722011), we get a palindrome (99744799).

The spelling of 11022788 in words is "eleven million, twenty-two thousand, seven hundred eighty-eight".