22516734852 has 72 divisors (see below), whose sum is σ = 59961370560. Its totient is φ = 7104801600.

The previous prime is 22516734829. The next prime is 22516734859. The reversal of 22516734852 is 25843761522.

22516734852 is a `hidden beast` number, since 2 + 2 + 5 + 167 + 3 + 485 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22516734798 and 22516734807.

It is not an unprimeable number, because it can be changed into a prime (22516734859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 877233 + ... + 902535.

Almost surely, 2^22516734852 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 22516734852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29980685280).

22516734852 is an abundant number, since it is smaller than the sum of its proper divisors (37444635708).

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

22516734852 is a wasteful number, since it uses less digits than its factorization.

22516734852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26633 (or 26628 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 22516734852 in words is "twenty-two billion, five hundred sixteen million, seven hundred thirty-four thousand, eight hundred fifty-two".