9216195859220 has 144 divisors (see below), whose sum is σ = 23621093153280. Its totient is φ = 3007778054400.

The previous prime is 9216195859217. The next prime is 9216195859229. The reversal of 9216195859220 is 229585916129.

It is a super-2 number, since 2×9216195859220² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9216195859220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9216195859229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 633410 + ... + 4339769.

It is an arithmetic number, because the mean of its divisors is an integer number (164035369120).

Almost surely, 2^{9216195859220} is an apocalyptic number.

It is an amenable number.

9216195859220 is an abundant number, since it is smaller than the sum of its proper divisors (14404897294060).

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

9216195859220 is a wasteful number, since it uses less digits than its factorization.

9216195859220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973294 (or 4973285 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 59.

The spelling of 9216195859220 in words is "nine trillion, two hundred sixteen billion, one hundred ninety-five million, eight hundred fifty-nine thousand, two hundred twenty".