12226065437 has 8 divisors (see below), whose sum is σ = 12573657816. Its totient is φ = 11879376192.

The previous prime is 12226065431. The next prime is 12226065497. The reversal of 12226065437 is 73456062221.

It can be written as a sum of positive squares in 4 ways, for example, as 8615738041 + 3610327396 = 92821^2 + 60086^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12226065437 - 2⁴ = 12226065421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12226065437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226065431) by changing a digit.

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, 198278 + ... + 252519.

It is an arithmetic number, because the mean of its divisors is an integer number (1571707227).

Almost surely, 2^12226065437 is an apocalyptic number.

It is an amenable number.

12226065437 is a deficient number, since it is larger than the sum of its proper divisors (347592379).

12226065437 is an equidigital number, since it uses as much as digits as its factorization.

12226065437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451567.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 12226065437 in words is "twelve billion, two hundred twenty-six million, sixty-five thousand, four hundred thirty-seven".