22165505352528 has 20 divisors (see below), whose sum is σ = 57260888827488. Its totient is φ = 7388501784160.

The previous prime is 22165505352503. The next prime is 22165505352553. The reversal of 22165505352528 is 82525350556122.

22165505352528 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (22165505352503) and next prime (22165505352553).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230890680708 + ... + 230890680803.

Almost surely, 2^{22165505352528} is an apocalyptic number.

It is an amenable number.

22165505352528 is an abundant number, since it is smaller than the sum of its proper divisors (35095383474960).

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

22165505352528 is a wasteful number, since it uses less digits than its factorization.

22165505352528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461781361522 (or 461781361516 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 51.

The spelling of 22165505352528 in words is "twenty-two trillion, one hundred sixty-five billion, five hundred five million, three hundred fifty-two thousand, five hundred twenty-eight".