11022220 has 24 divisors (see below), whose sum is σ = 25251408. Its totient is φ = 4008000.

The previous prime is 11022217. The next prime is 11022229. The reversal of 11022220 is 2222011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11022197 and 11022206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24831 + ... + 25270.

It is an arithmetic number, because the mean of its divisors is an integer number (1052142).

Almost surely, 2^11022220 is an apocalyptic number.

11022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022220 is an abundant number, since it is smaller than the sum of its proper divisors (14229188).

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

11022220 is a wasteful number, since it uses less digits than its factorization.

11022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50121 (or 50119 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 11022220 is about 3319.9728914556. The cubic root of 11022220 is about 222.5476563324.

Adding to 11022220 its reverse (2222011), we get a palindrome (13244231).

The spelling of 11022220 in words is "eleven million, twenty-two thousand, two hundred twenty".