22555445512 has 32 divisors (see below), whose sum is σ = 45069177600. Its totient is φ = 10557864064.

The previous prime is 22555445503. The next prime is 22555445519. The reversal of 22555445512 is 21554455522.

It is not an unprimeable number, because it can be changed into a prime (22555445519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295437 + ... + 1312732.

It is an arithmetic number, because the mean of its divisors is an integer number (1408411800).

Almost surely, 2^22555445512 is an apocalyptic number.

It is an amenable number.

22555445512 is a deficient number, since it is larger than the sum of its proper divisors (22513732088).

22555445512 is a wasteful number, since it uses less digits than its factorization.

22555445512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608245 (or 2608241 counting only the distinct ones).

The product of its digits is 400000, while the sum is 40.

The spelling of 22555445512 in words is "twenty-two billion, five hundred fifty-five million, four hundred forty-five thousand, five hundred twelve".