12226247645 has 8 divisors (see below), whose sum is σ = 14673855456. Its totient is φ = 9779425936.

The previous prime is 12226247639. The next prime is 12226247647. The reversal of 12226247645 is 54674262221.

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 12226247645 - 2²² = 12222053341 is a prime.

It is a super-2 number, since 2×12226247645² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226247647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161747 + ... + 224976.

It is an arithmetic number, because the mean of its divisors is an integer number (1834231932).

Almost surely, 2^12226247645 is an apocalyptic number.

It is an amenable number.

12226247645 is a deficient number, since it is larger than the sum of its proper divisors (2447607811).

12226247645 is an equidigital number, since it uses as much as digits as its factorization.

12226247645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393051.

The product of its digits is 322560, while the sum is 41.

The spelling of 12226247645 in words is "twelve billion, two hundred twenty-six million, two hundred forty-seven thousand, six hundred forty-five".