9220538140 has 24 divisors (see below), whose sum is σ = 21123415152. Its totient is φ = 3352922880.

The previous prime is 9220538111. The next prime is 9220538141. The reversal of 9220538140 is 418350229.

9220538140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9220538096 and 9220538105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9220538141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20955549 + ... + 20955988.

It is an arithmetic number, because the mean of its divisors is an integer number (880142298).

Almost surely, 2^9220538140 is an apocalyptic number.

It is an amenable number.

9220538140 is an abundant number, since it is smaller than the sum of its proper divisors (11902877012).

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

9220538140 is a wasteful number, since it uses less digits than its factorization.

9220538140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41911557 (or 41911555 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 9220538140 is about 96023.6332368235. The cubic root of 9220538140 is about 2096.9371934840.

Adding to 9220538140 its reverse (418350229), we get a palindrome (9638888369).

The spelling of 9220538140 in words is "nine billion, two hundred twenty million, five hundred thirty-eight thousand, one hundred forty".