12224445689 has 4 divisors (see below), whose sum is σ = 12424846500. Its totient is φ = 12024044880.

The previous prime is 12224445677. The next prime is 12224445691. The reversal of 12224445689 is 98654442221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3711246400 + 8513199289 = 60920^2 + 92267^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224445689 - 2²⁸ = 11956010233 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12224445659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100200314 + ... + 100200435.

It is an arithmetic number, because the mean of its divisors is an integer number (3106211625).

Almost surely, 2^12224445689 is an apocalyptic number.

It is an amenable number.

12224445689 is a deficient number, since it is larger than the sum of its proper divisors (200400811).

12224445689 is an equidigital number, since it uses as much as digits as its factorization.

12224445689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200400810.

The product of its digits is 1105920, while the sum is 47.

The spelling of 12224445689 in words is "twelve billion, two hundred twenty-four million, four hundred forty-five thousand, six hundred eighty-nine".