22505223832 has 64 divisors (see below), whose sum is σ = 54990169920. Its totient is φ = 8379445248.

The previous prime is 22505223817. The next prime is 22505223833. The reversal of 22505223832 is 23832250522.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22505223833) 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 15 ways as a sum of consecutive naturals, for example, 896853 + ... + 921604.

It is an arithmetic number, because the mean of its divisors is an integer number (859221405).

Almost surely, 2^22505223832 is an apocalyptic number.

It is an amenable number.

22505223832 is an abundant number, since it is smaller than the sum of its proper divisors (32484946088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22505223832 is a wasteful number, since it uses less digits than its factorization.

22505223832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818500 (or 1818496 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 22505223832 in words is "twenty-two billion, five hundred five million, two hundred twenty-three thousand, eight hundred thirty-two".