6172227309288 has 128 divisors (see below), whose sum is σ = 16742834680320. Its totient is φ = 1888715427840.

The previous prime is 6172227309223. The next prime is 6172227309289. The reversal of 6172227309288 is 8829037222716.

It is a super-2 number, since 2×6172227309288² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6172227309289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5069298 + ... + 6167838.

It is an arithmetic number, because the mean of its divisors is an integer number (130803395940).

Almost surely, 2^{6172227309288} is an apocalyptic number.

6172227309288 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6172227309288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8371417340160).

6172227309288 is an abundant number, since it is smaller than the sum of its proper divisors (10570607371032).

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

6172227309288 is a wasteful number, since it uses less digits than its factorization.

6172227309288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098907 (or 1098903 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 6172227309288 in words is "six trillion, one hundred seventy-two billion, two hundred twenty-seven million, three hundred nine thousand, two hundred eighty-eight".