22736732064 has 192 divisors, whose sum is σ = 64313948160. Its totient is φ = 7014712320.

The previous prime is 22736732009. The next prime is 22736732069. The reversal of 22736732064 is 46023763722.

It is not an unprimeable number, because it can be changed into a prime (22736732069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17237197 + ... + 17238515.

It is an arithmetic number, because the mean of its divisors is an integer number (334968480).

Almost surely, 2^22736732064 is an apocalyptic number.

22736732064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22736732064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32156974080).

22736732064 is an abundant number, since it is smaller than the sum of its proper divisors (41577216096).

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

22736732064 is a wasteful number, since it uses less digits than its factorization.

22736732064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 42.

The spelling of 22736732064 in words is "twenty-two billion, seven hundred thirty-six million, seven hundred thirty-two thousand, sixty-four".