22543535052 has 18 divisors (see below), whose sum is σ = 56985047028. Its totient is φ = 7514511672.

The previous prime is 22543535041. The next prime is 22543535059. The reversal of 22543535052 is 25053534522.

22543535052 is a `hidden beast` number, since 2 + 254 + 3 + 5 + 350 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 626209307 = 22543535052 / (2 + 2 + 5 + 4 + 3 + 5 + 3 + 5 + 0 + 5 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22543534998 and 22543535016.

It is not an unprimeable number, because it can be changed into a prime (22543535059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313104618 + ... + 313104689.

It is an arithmetic number, because the mean of its divisors is an integer number (3165835946).

Almost surely, 2^22543535052 is an apocalyptic number.

It is an amenable number.

22543535052 is an abundant number, since it is smaller than the sum of its proper divisors (34441511976).

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

22543535052 is a wasteful number, since it uses less digits than its factorization.

22543535052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626209317 (or 626209312 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 22543535052 in words is "twenty-two billion, five hundred forty-three million, five hundred thirty-five thousand, fifty-two".