22298945705 has 4 divisors (see below), whose sum is σ = 26758734852. Its totient is φ = 17839156560.

The previous prime is 22298945701. The next prime is 22298945729. The reversal of 22298945705 is 50754989222.

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 6596850841 + 15702094864 = 81221^2 + 125308^2 .

It is not a de Polignac number, because 22298945705 - 2² = 22298945701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22298945701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229894566 + ... + 2229894575.

It is an arithmetic number, because the mean of its divisors is an integer number (6689683713).

Almost surely, 2^22298945705 is an apocalyptic number.

It is an amenable number.

22298945705 is a deficient number, since it is larger than the sum of its proper divisors (4459789147).

22298945705 is an equidigital number, since it uses as much as digits as its factorization.

22298945705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459789146.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 22298945705 in words is "twenty-two billion, two hundred ninety-eight million, nine hundred forty-five thousand, seven hundred five".