12224216436 has 24 divisors (see below), whose sum is σ = 29294069280. Its totient is φ = 3964610592.

The previous prime is 12224216423. The next prime is 12224216489. The reversal of 12224216436 is 63461242221.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12224216397 and 12224216406.

It is a congruent number.

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, 13765566 + ... + 13766453.

It is an arithmetic number, because the mean of its divisors is an integer number (1220586220).

Almost surely, 2^12224216436 is an apocalyptic number.

It is an amenable number.

12224216436 is an abundant number, since it is smaller than the sum of its proper divisors (17069852844).

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

12224216436 is a wasteful number, since it uses less digits than its factorization.

12224216436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27532063 (or 27532061 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

Adding to 12224216436 its reverse (63461242221), we get a palindrome (75685458657).

The spelling of 12224216436 in words is "twelve billion, two hundred twenty-four million, two hundred sixteen thousand, four hundred thirty-six".