12226425539 has 4 divisors (see below), whose sum is σ = 12869921640. Its totient is φ = 11582929440.

The previous prime is 12226425529. The next prime is 12226425553. The reversal of 12226425539 is 93552462221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93552462221 = 17 ⋅5503086013.

It is a cyclic number.

It is not a de Polignac number, because 12226425539 - 2²⁴ = 12209648323 is a prime.

It is a super-2 number, since 2×12226425539² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12226425496 and 12226425505.

It is not an unprimeable number, because it can be changed into a prime (12226425529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321748022 + ... + 321748059.

It is an arithmetic number, because the mean of its divisors is an integer number (3217480410).

Almost surely, 2^12226425539 is an apocalyptic number.

12226425539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12226425539 is a deficient number, since it is larger than the sum of its proper divisors (643496101).

12226425539 is an equidigital number, since it uses as much as digits as its factorization.

12226425539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643496100.

The product of its digits is 259200, while the sum is 41.

The spelling of 12226425539 in words is "twelve billion, two hundred twenty-six million, four hundred twenty-five thousand, five hundred thirty-nine".