12222880 has 48 divisors (see below), whose sum is σ = 29272320. Its totient is φ = 4822272.

The previous prime is 12222869. The next prime is 12222911. The reversal of 12222880 is 8822221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12157 + ... + 13123.

It is an arithmetic number, because the mean of its divisors is an integer number (609840).

Almost surely, 2^12222880 is an apocalyptic number.

12222880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14636160).

12222880 is an abundant number, since it is smaller than the sum of its proper divisors (17049440).

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

12222880 is an equidigital number, since it uses as much as digits as its factorization.

12222880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 12222880 is about 3496.1235676103. The cubic root of 12222880 is about 230.3515732197.

The spelling of 12222880 in words is "twelve million, two hundred twenty-two thousand, eight hundred eighty".