22108705530 has 128 divisors (see below), whose sum is σ = 57513784320. Its totient is φ = 5417902080.

The previous prime is 22108705523. The next prime is 22108705543. The reversal of 22108705530 is 3550780122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22108705491 and 22108705500.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13638120 + ... + 13639740.

It is an arithmetic number, because the mean of its divisors is an integer number (449326440).

Almost surely, 2^22108705530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22108705530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28756892160).

22108705530 is an abundant number, since it is smaller than the sum of its proper divisors (35405078790).

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

22108705530 is a wasteful number, since it uses less digits than its factorization.

22108705530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 22108705530 in words is "twenty-two billion, one hundred eight million, seven hundred five thousand, five hundred thirty".