172252112 has 20 divisors (see below), whose sum is σ = 345247620. Its totient is φ = 83155968.

The previous prime is 172252103. The next prime is 172252123. The reversal of 172252112 is 211252271.

It can be written as a sum of positive squares in 2 ways, for example, as 68293696 + 103958416 = 8264^2 + 10196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185153 + ... + 186080.

It is an arithmetic number, because the mean of its divisors is an integer number (17262381).

Almost surely, 2^172252112 is an apocalyptic number.

It is an amenable number.

172252112 is an abundant number, since it is smaller than the sum of its proper divisors (172995508).

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

172252112 is a wasteful number, since it uses less digits than its factorization.

172252112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371270 (or 371264 counting only the distinct ones).

The product of its digits is 560, while the sum is 23.

The square root of 172252112 is about 13124.4852089520. The cubic root of 172252112 is about 556.4013629745.

The spelling of 172252112 in words is "one hundred seventy-two million, two hundred fifty-two thousand, one hundred twelve".