11220282 has 24 divisors (see below), whose sum is σ = 25212096. Its totient is φ = 3739932.

The previous prime is 11220277. The next prime is 11220283. The reversal of 11220282 is 28202211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11058 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (1050504).

Almost surely, 2^11220282 is an apocalyptic number.

11220282 is an abundant number, since it is smaller than the sum of its proper divisors (13991814).

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

11220282 is an equidigital number, since it uses as much as digits as its factorization.

11220282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23104 (or 23092 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 11220282 is about 3349.6689388655. The cubic root of 11220282 is about 223.8727620291.

Adding to 11220282 its reverse (28202211), we get a palindrome (39422493).

The spelling of 11220282 in words is "eleven million, two hundred twenty thousand, two hundred eighty-two".