22756435445 has 4 divisors (see below), whose sum is σ = 27307722540. Its totient is φ = 18205148352.

The previous prime is 22756435441. The next prime is 22756435477. The reversal of 22756435445 is 54453465722.

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 14926486276 + 7829949169 = 122174^2 + 88487^2 .

It is a cyclic number.

It is not a de Polignac number, because 22756435445 - 2² = 22756435441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22756435445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22756435441) 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, 2275643540 + ... + 2275643549.

It is an arithmetic number, because the mean of its divisors is an integer number (6826930635).

Almost surely, 2^22756435445 is an apocalyptic number.

It is an amenable number.

22756435445 is a deficient number, since it is larger than the sum of its proper divisors (4551287095).

22756435445 is an equidigital number, since it uses as much as digits as its factorization.

22756435445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551287094.

The product of its digits is 4032000, while the sum is 47.

The spelling of 22756435445 in words is "twenty-two billion, seven hundred fifty-six million, four hundred thirty-five thousand, four hundred forty-five".