172222175152 has 80 divisors (see below), whose sum is σ = 360252914560. Its totient is φ = 79495105536.

The previous prime is 172222175149. The next prime is 172222175227. The reversal of 172222175152 is 251571222271.

172222175152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×172222175152² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5644963 + ... + 5675389.

It is an arithmetic number, because the mean of its divisors is an integer number (4503161432).

Almost surely, 2^172222175152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172222175152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180126457280).

172222175152 is an abundant number, since it is smaller than the sum of its proper divisors (188030739408).

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

172222175152 is a wasteful number, since it uses less digits than its factorization.

172222175152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30930 (or 30924 counting only the distinct ones).

The product of its digits is 39200, while the sum is 37.

The spelling of 172222175152 in words is "one hundred seventy-two billion, two hundred twenty-two million, one hundred seventy-five thousand, one hundred fifty-two".