11052220 has 12 divisors (see below), whose sum is σ = 23209704. Its totient is φ = 4420880.

The previous prime is 11052203. The next prime is 11052241. The reversal of 11052220 is 2225011.

It is a self number, because there is not a number n which added to its sum of digits gives 11052220.

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, 276286 + ... + 276325.

It is an arithmetic number, because the mean of its divisors is an integer number (1934142).

Almost surely, 2^11052220 is an apocalyptic number.

11052220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11052220 is an abundant number, since it is smaller than the sum of its proper divisors (12157484).

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

11052220 is a wasteful number, since it uses less digits than its factorization.

11052220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552620 (or 552618 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 11052220 is about 3324.4879304940. The cubic root of 11052220 is about 222.7493816226.

Adding to 11052220 its reverse (2225011), we get a palindrome (13277231).

The spelling of 11052220 in words is "eleven million, fifty-two thousand, two hundred twenty".