22545260532 has 72 divisors (see below), whose sum is σ = 60401944512. Its totient is φ = 7065964800.

The previous prime is 22545260531. The next prime is 22545260557. The reversal of 22545260532 is 23506254522.

22545260532 is a `hidden beast` number, since 2 + 2 + 5 + 45 + 2 + 605 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545260531) 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, 613107 + ... + 648837.

It is an arithmetic number, because the mean of its divisors is an integer number (838915896).

Almost surely, 2^22545260532 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 22545260532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30200972256).

22545260532 is an abundant number, since it is smaller than the sum of its proper divisors (37856683980).

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

22545260532 is a wasteful number, since it uses less digits than its factorization.

22545260532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36789 (or 36784 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 22545260532 in words is "twenty-two billion, five hundred forty-five million, two hundred sixty thousand, five hundred thirty-two".