22102405305 has 32 divisors (see below), whose sum is σ = 35507000064. Its totient is φ = 11740329216.

The previous prime is 22102405271. The next prime is 22102405307. The reversal of 22102405305 is 50350420122.

It is not a de Polignac number, because 22102405305 - 2¹⁹ = 22101881017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22102405307) 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 31 ways as a sum of consecutive naturals, for example, 4505484 + ... + 4510386.

It is an arithmetic number, because the mean of its divisors is an integer number (1109593752).

Almost surely, 2^22102405305 is an apocalyptic number.

It is an amenable number.

22102405305 is a deficient number, since it is larger than the sum of its proper divisors (13404594759).

22102405305 is a wasteful number, since it uses less digits than its factorization.

22102405305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 22102405305 its reverse (50350420122), we get a palindrome (72452825427).

The spelling of 22102405305 in words is "twenty-two billion, one hundred two million, four hundred five thousand, three hundred five".