12226423946 has 24 divisors (see below), whose sum is σ = 20336881572. Its totient is φ = 5508272000.

The previous prime is 12226423933. The next prime is 12226423949. The reversal of 12226423946 is 64932462221.

It can be written as a sum of positive squares in 2 ways, for example, as 11209515625 + 1016908321 = 105875^2 + 31889^2 .

It is not an unprimeable number, because it can be changed into a prime (12226423949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196205 + ... + 250896.

Almost surely, 2^12226423946 is an apocalyptic number.

12226423946 is a deficient number, since it is larger than the sum of its proper divisors (8110457626).

12226423946 is a wasteful number, since it uses less digits than its factorization.

12226423946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447238 (or 447227 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The spelling of 12226423946 in words is "twelve billion, two hundred twenty-six million, four hundred twenty-three thousand, nine hundred forty-six".