11222080 has 28 divisors (see below), whose sum is σ = 26723340. Its totient is φ = 4488704.

The previous prime is 11222051. The next prime is 11222083. The reversal of 11222080 is 8022211.

It can be written as a sum of positive squares in 2 ways, for example, as 8479744 + 2742336 = 2912^2 + 1656^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11222083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17215 + ... + 17854.

It is an arithmetic number, because the mean of its divisors is an integer number (954405).

Almost surely, 2^11222080 is an apocalyptic number.

11222080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222080 is an abundant number, since it is smaller than the sum of its proper divisors (15501260).

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

11222080 is an equidigital number, since it uses as much as digits as its factorization.

11222080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35086 (or 35076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 11222080 is about 3349.9373128463. The cubic root of 11222080 is about 223.8847195933.

Adding to 11222080 its reverse (8022211), we get a palindrome (19244291).

The spelling of 11222080 in words is "eleven million, two hundred twenty-two thousand, eighty".