22755565952 has 128 divisors (see below), whose sum is σ = 55046952000. Its totient is φ = 9161220096.

The previous prime is 22755565879. The next prime is 22755565957. The reversal of 22755565952 is 25956555722.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 22755565894 and 22755565903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22755565957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949574 + ... + 973242.

Almost surely, 2^22755565952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22755565952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27523476000).

22755565952 is an abundant number, since it is smaller than the sum of its proper divisors (32291386048).

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

22755565952 is a wasteful number, since it uses less digits than its factorization.

22755565952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23756 (or 23744 counting only the distinct ones).

The product of its digits is 9450000, while the sum is 53.

The spelling of 22755565952 in words is "twenty-two billion, seven hundred fifty-five million, five hundred sixty-five thousand, nine hundred fifty-two".