11220132 has 48 divisors (see below), whose sum is σ = 32643072. Its totient is φ = 2914080.

The previous prime is 11220107. The next prime is 11220137. The reversal of 11220132 is 23102211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11220137) 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 15 ways as a sum of consecutive naturals, for example, 5148 + ... + 6995.

It is an arithmetic number, because the mean of its divisors is an integer number (680064).

Almost surely, 2^11220132 is an apocalyptic number.

11220132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220132 is an abundant number, since it is smaller than the sum of its proper divisors (21422940).

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

11220132 is a wasteful number, since it uses less digits than its factorization.

11220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168 (or 12166 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11220132 is about 3349.6465485182. The cubic root of 11220132 is about 223.8717643993.

Adding to 11220132 its reverse (23102211), we get a palindrome (34322343).

The spelling of 11220132 in words is "eleven million, two hundred twenty thousand, one hundred thirty-two".