22280118305 has 4 divisors (see below), whose sum is σ = 26736141972. Its totient is φ = 17824094640.

The previous prime is 22280118241. The next prime is 22280118307. The reversal of 22280118305 is 50381108222.

It is a happy number.

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 2929082641 + 19351035664 = 54121^2 + 139108^2 .

It is not a de Polignac number, because 22280118305 - 2⁶ = 22280118241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22280118307) 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, 2228011826 + ... + 2228011835.

It is an arithmetic number, because the mean of its divisors is an integer number (6684035493).

Almost surely, 2^22280118305 is an apocalyptic number.

It is an amenable number.

22280118305 is a deficient number, since it is larger than the sum of its proper divisors (4456023667).

22280118305 is an equidigital number, since it uses as much as digits as its factorization.

22280118305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456023666.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 22280118305 in words is "twenty-two billion, two hundred eighty million, one hundred eighteen thousand, three hundred five".