9538205922 has 128 divisors (see below), whose sum is σ = 26322124800. Its totient is φ = 2498428800.

The previous prime is 9538205921. The next prime is 9538205927. The reversal of 9538205922 is 2295028359.

9538205922 is a `hidden beast` number, since 9 + 5 + 38 + 20 + 592 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9538205921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201222 + ... + 244062.

It is an arithmetic number, because the mean of its divisors is an integer number (205641600).

Almost surely, 2^9538205922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9538205922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13161062400).

9538205922 is an abundant number, since it is smaller than the sum of its proper divisors (16783918878).

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

9538205922 is a wasteful number, since it uses less digits than its factorization.

9538205922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42909 (or 42903 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 9538205922 is about 97663.7390334816. The cubic root of 9538205922 is about 2120.7471795226.

The spelling of 9538205922 in words is "nine billion, five hundred thirty-eight million, two hundred five thousand, nine hundred twenty-two".