12226509441 has 80 divisors (see below), whose sum is σ = 19491276288. Its totient is φ = 7621257600.

The previous prime is 12226509391. The next prime is 12226509457. The reversal of 12226509441 is 14490562221.

It is a happy number.

12226509441 is a `hidden beast` number, since 122 + 26 + 509 + 4 + 4 + 1 = 666.

It is not a de Polignac number, because 12226509441 - 2⁹ = 12226508929 is a prime.

It is a super-2 number, since 2×12226509441² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12226509396 and 12226509405.

It is not an unprimeable number, because it can be changed into a prime (12226509041) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 30797055 + ... + 30797451.

Almost surely, 2^12226509441 is an apocalyptic number.

It is an amenable number.

12226509441 is a deficient number, since it is larger than the sum of its proper divisors (7264766847).

12226509441 is a wasteful number, since it uses less digits than its factorization.

12226509441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 12226509441 in words is "twelve billion, two hundred twenty-six million, five hundred nine thousand, four hundred forty-one".