7105172220 has 36 divisors (see below), whose sum is σ = 21552356280. Its totient is φ = 1894712544.

The previous prime is 7105172201. The next prime is 7105172251. The reversal of 7105172220 is 222715017.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19736410 + ... + 19736769.

Almost surely, 2^7105172220 is an apocalyptic number.

It is an amenable number.

7105172220 is an abundant number, since it is smaller than the sum of its proper divisors (14447184060).

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

7105172220 is a wasteful number, since it uses less digits than its factorization.

7105172220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39473194 (or 39473189 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 7105172220 is about 84292.1836233942. The cubic root of 7105172220 is about 1922.4639427807.

Adding to 7105172220 its reverse (222715017), we get a palindrome (7327887237).

The spelling of 7105172220 in words is "seven billion, one hundred five million, one hundred seventy-two thousand, two hundred twenty".