12224652 has 48 divisors (see below), whose sum is σ = 31971072. Its totient is φ = 3602880.

The previous prime is 12224651. The next prime is 12224669. The reversal of 12224652 is 25642221.

It is a happy number.

It is a super-2 number, since 2×12224652² = 298884233042208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12224651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3633 + ... + 6135.

It is an arithmetic number, because the mean of its divisors is an integer number (666064).

Almost surely, 2^12224652 is an apocalyptic number.

12224652 is a gapful number since it is divisible by the number (12) 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 12224652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15985536).

12224652 is an abundant number, since it is smaller than the sum of its proper divisors (19746420).

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

12224652 is a wasteful number, since it uses less digits than its factorization.

12224652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558 (or 2556 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 12224652 is about 3496.3769819629. The cubic root of 12224652 is about 230.3627043461.

Adding to 12224652 its reverse (25642221), we get a palindrome (37866873).

Subtracting 12224652 from its reverse (25642221), we obtain a square (13417569 = 3663²).

The spelling of 12224652 in words is "twelve million, two hundred twenty-four thousand, six hundred fifty-two".