22543434522 has 96 divisors (see below), whose sum is σ = 56691782784. Its totient is φ = 6341328000.

The previous prime is 22543434497. The next prime is 22543434527.

22543434522 is a `hidden beast` number, since 2 + 254 + 343 + 45 + 22 = 666.

22543434522 is nontrivially palindromic in base 10.

22543434522 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (22543434527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2298513 + ... + 2308299.

It is an arithmetic number, because the mean of its divisors is an integer number (590539404).

Almost surely, 2^22543434522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22543434522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28345891392).

22543434522 is an abundant number, since it is smaller than the sum of its proper divisors (34148348262).

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

22543434522 is a wasteful number, since it uses less digits than its factorization.

22543434522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084 (or 10081 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The spelling of 22543434522 in words is "twenty-two billion, five hundred forty-three million, four hundred thirty-four thousand, five hundred twenty-two".