12221024 has 24 divisors (see below), whose sum is σ = 24471720. Its totient is φ = 6006016.

The previous prime is 12221021. The next prime is 12221029. The reversal of 12221024 is 42012221.

12221024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221021) 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, 1349 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (1019655).

Almost surely, 2^12221024 is an apocalyptic number.

It is an amenable number.

12221024 is an abundant number, since it is smaller than the sum of its proper divisors (12250696).

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

12221024 is an equidigital number, since it uses as much as digits as its factorization.

12221024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542 (or 6534 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12221024 is about 3495.8581206908. The cubic root of 12221024 is about 230.3399132792.

Adding to 12221024 its reverse (42012221), we get a palindrome (54233245).

The spelling of 12221024 in words is "twelve million, two hundred twenty-one thousand, twenty-four".