12226434455 has 16 divisors (see below), whose sum is σ = 15145812000. Its totient is φ = 9469114368.

The previous prime is 12226434361. The next prime is 12226434463. The reversal of 12226434455 is 55443462221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12226434455 is a prime.

It is a super-2 number, since 2×12226434455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227330 + ... + 275919.

It is an arithmetic number, because the mean of its divisors is an integer number (946613250).

Almost surely, 2^12226434455 is an apocalyptic number.

12226434455 is a deficient number, since it is larger than the sum of its proper divisors (2919377545).

12226434455 is a wasteful number, since it uses less digits than its factorization.

12226434455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503410.

The product of its digits is 230400, while the sum is 38.

Adding to 12226434455 its reverse (55443462221), we get a palindrome (67669896676).

The spelling of 12226434455 in words is "twelve billion, two hundred twenty-six million, four hundred thirty-four thousand, four hundred fifty-five".