11022225220 has 12 divisors (see below), whose sum is σ = 23146673004. Its totient is φ = 4408890080.

The previous prime is 11022225197. The next prime is 11022225229. The reversal of 11022225220 is 2252222011.

11022225220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3768977664 + 7253247556 = 61392^2 + 85166^2 .

It is not an unprimeable number, because it can be changed into a prime (11022225229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275555611 + ... + 275555650.

It is an arithmetic number, because the mean of its divisors is an integer number (1928889417).

Almost surely, 2^11022225220 is an apocalyptic number.

11022225220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022225220 is an abundant number, since it is smaller than the sum of its proper divisors (12124447784).

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

11022225220 is a wasteful number, since it uses less digits than its factorization.

11022225220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551111270 (or 551111268 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 11022225220 its reverse (2252222011), we get a palindrome (13274447231).

The spelling of 11022225220 in words is "eleven billion, twenty-two million, two hundred twenty-five thousand, two hundred twenty".