12224022 has 32 divisors (see below), whose sum is σ = 25505280. Its totient is φ = 3900960.

The previous prime is 12224021. The next prime is 12224029. The reversal of 12224022 is 22042221.

It is a junction number, because it is equal to n+sod(n) for n = 12223992 and 12224010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224021) 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, 28147 + ... + 28577.

It is an arithmetic number, because the mean of its divisors is an integer number (797040).

Almost surely, 2^12224022 is an apocalyptic number.

12224022 is an abundant number, since it is smaller than the sum of its proper divisors (13281258).

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

12224022 is a wasteful number, since it uses less digits than its factorization.

12224022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 12224022 is about 3496.2868875423. The cubic root of 12224022 is about 230.3587470147.

Adding to 12224022 its reverse (22042221), we get a palindrome (34266243).

The spelling of 12224022 in words is "twelve million, two hundred twenty-four thousand, twenty-two".