172226167 has 8 divisors (see below), whose sum is σ = 182617200. Its totient is φ = 161864064.

The previous prime is 172226161. The next prime is 172226177. The reversal of 172226167 is 761622271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172226167 - 2⁷ = 172226039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172226161) 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, 5709 + ... + 19417.

It is an arithmetic number, because the mean of its divisors is an integer number (22827150).

Almost surely, 2^172226167 is an apocalyptic number.

172226167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

172226167 is a deficient number, since it is larger than the sum of its proper divisors (10391033).

172226167 is a wasteful number, since it uses less digits than its factorization.

172226167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14465.

The product of its digits is 14112, while the sum is 34.

The square root of 172226167 is about 13123.4967520094. The cubic root of 172226167 is about 556.3734260975.

It can be divided in two parts, 1722 and 26167, that added together give a square (27889 = 167²).

The spelling of 172226167 in words is "one hundred seventy-two million, two hundred twenty-six thousand, one hundred sixty-seven".