22587515052 has 96 divisors (see below), whose sum is σ = 56806364160. Its totient is φ = 6959416320.

The previous prime is 22587515051. The next prime is 22587515059. The reversal of 22587515052 is 25051578522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22587514995 and 22587515013.

It is not an unprimeable number, because it can be changed into a prime (22587515051) 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, 12928443 + ... + 12930189.

It is an arithmetic number, because the mean of its divisors is an integer number (591732960).

Almost surely, 2^22587515052 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 22587515052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28403182080).

22587515052 is an abundant number, since it is smaller than the sum of its proper divisors (34218849108).

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

22587515052 is a wasteful number, since it uses less digits than its factorization.

22587515052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 42.

The spelling of 22587515052 in words is "twenty-two billion, five hundred eighty-seven million, five hundred fifteen thousand, fifty-two".