172422252 has 36 divisors (see below), whose sum is σ = 437292856. Its totient is φ = 57283200.

The previous prime is 172422247. The next prime is 172422259. The reversal of 172422252 is 252224271.

172422252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (172422259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3252 + ... + 18852.

Almost surely, 2^172422252 is an apocalyptic number.

172422252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172422252 is an abundant number, since it is smaller than the sum of its proper divisors (264870604).

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

172422252 is a wasteful number, since it uses less digits than its factorization.

172422252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15918 (or 15913 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 172422252 is about 13130.9653872059. The cubic root of 172422252 is about 556.5844956619.

The spelling of 172422252 in words is "one hundred seventy-two million, four hundred twenty-two thousand, two hundred fifty-two".