12422440233 has 32 divisors (see below), whose sum is σ = 21480222720. Its totient is φ = 6947499600.

The previous prime is 12422440213. The next prime is 12422440253. The reversal of 12422440233 is 33204422421.

12422440233 is a `hidden beast` number, since 1 + 2 + 4 + 224 + 402 + 33 = 666.

It is an interprime number because it is at equal distance from previous prime (12422440213) and next prime (12422440253).

It is not a de Polignac number, because 12422440233 - 2¹⁰ = 12422439209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12422440197 and 12422440206.

It is not an unprimeable number, because it can be changed into a prime (12422440213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690343 + ... + 708108.

It is an arithmetic number, because the mean of its divisors is an integer number (671256960).

Almost surely, 2^12422440233 is an apocalyptic number.

It is an amenable number.

12422440233 is a deficient number, since it is larger than the sum of its proper divisors (9057782487).

12422440233 is a wasteful number, since it uses less digits than its factorization.

12422440233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398514 (or 1398508 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12422440233 its reverse (33204422421), we get a palindrome (45626862654).

The spelling of 12422440233 in words is "twelve billion, four hundred twenty-two million, four hundred forty thousand, two hundred thirty-three".