22134226445 has 4 divisors (see below), whose sum is σ = 26561071740. Its totient is φ = 17707381152.

The previous prime is 22134226349. The next prime is 22134226447. The reversal of 22134226445 is 54462243122.

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 3959681476 + 18174544969 = 62926^2 + 134813^2 .

It is a cyclic number.

It is not a de Polignac number, because 22134226445 - 2²⁴ = 22117449229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134226447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213422640 + ... + 2213422649.

It is an arithmetic number, because the mean of its divisors is an integer number (6640267935).

Almost surely, 2^22134226445 is an apocalyptic number.

It is an amenable number.

22134226445 is a deficient number, since it is larger than the sum of its proper divisors (4426845295).

22134226445 is an equidigital number, since it uses as much as digits as its factorization.

22134226445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426845294.

The product of its digits is 92160, while the sum is 35.

Adding to 22134226445 its reverse (54462243122), we get a palindrome (76596469567).

The spelling of 22134226445 in words is "twenty-two billion, one hundred thirty-four million, two hundred twenty-six thousand, four hundred forty-five".