12224225660 has 24 divisors (see below), whose sum is σ = 26498967936. Its totient is φ = 4731958080.

The previous prime is 12224225647. The next prime is 12224225693. The reversal of 12224225660 is 6652242221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9857627 + ... + 9858866.

It is an arithmetic number, because the mean of its divisors is an integer number (1104123664).

Almost surely, 2^12224225660 is an apocalyptic number.

12224225660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12224225660 is an abundant number, since it is smaller than the sum of its proper divisors (14274742276).

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

12224225660 is a wasteful number, since it uses less digits than its factorization.

12224225660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19716533 (or 19716531 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 12224225660 its reverse (6652242221), we get a palindrome (18876467881).

The spelling of 12224225660 in words is "twelve billion, two hundred twenty-four million, two hundred twenty-five thousand, six hundred sixty".