22405005305 has 32 divisors (see below), whose sum is σ = 27945181440. Its totient is φ = 17231880960.

The previous prime is 22405005283. The next prime is 22405005323. The reversal of 22405005305 is 50350050422.

It is not a de Polignac number, because 22405005305 - 2⁶ = 22405005241 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16317599 + ... + 16318971.

It is an arithmetic number, because the mean of its divisors is an integer number (873286920).

Almost surely, 2^22405005305 is an apocalyptic number.

It is an amenable number.

22405005305 is a deficient number, since it is larger than the sum of its proper divisors (5540176135).

22405005305 is a wasteful number, since it uses less digits than its factorization.

22405005305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 22405005305 its reverse (50350050422), we get a palindrome (72755055727).

The spelling of 22405005305 in words is "twenty-two billion, four hundred five million, five thousand, three hundred five".