22155342528 has 112 divisors (see below), whose sum is σ = 65508347520. Its totient is φ = 6549964800.

The previous prime is 22155342523. The next prime is 22155342529. The reversal of 22155342528 is 82524355122.

It is not an unprimeable number, because it can be changed into a prime (22155342523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41338 + ... + 214521.

It is an arithmetic number, because the mean of its divisors is an integer number (584895960).

Almost surely, 2^22155342528 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 22155342528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32754173760).

22155342528 is an abundant number, since it is smaller than the sum of its proper divisors (43353004992).

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

22155342528 is a wasteful number, since it uses less digits than its factorization.

22155342528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255926 (or 255916 counting only the distinct ones).

The product of its digits is 192000, while the sum is 39.

The spelling of 22155342528 in words is "twenty-two billion, one hundred fifty-five million, three hundred forty-two thousand, five hundred twenty-eight".