11022805 has 4 divisors (see below), whose sum is σ = 13227372. Its totient is φ = 8818240.

The previous prime is 11022799. The next prime is 11022827. The reversal of 11022805 is 50822011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8071281 + 2951524 = 2841^2 + 1718^2 .

It is not a de Polignac number, because 11022805 - 2⁹ = 11022293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102276 + ... + 1102285.

It is an arithmetic number, because the mean of its divisors is an integer number (3306843).

Almost surely, 2^11022805 is an apocalyptic number.

It is an amenable number.

11022805 is a deficient number, since it is larger than the sum of its proper divisors (2204567).

11022805 is an equidigital number, since it uses as much as digits as its factorization.

11022805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204566.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 11022805 is about 3320.0609934156. The cubic root of 11022805 is about 222.5515934726.

Adding to 11022805 its reverse (50822011), we get a palindrome (61844816).

The spelling of 11022805 in words is "eleven million, twenty-two thousand, eight hundred five".