172253226 has 32 divisors (see below), whose sum is σ = 348019200. Its totient is φ = 56836080.

The previous prime is 172253161. The next prime is 172253239. The reversal of 172253226 is 622352271.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172253193 and 172253202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454305 + ... + 454683.

It is an arithmetic number, because the mean of its divisors is an integer number (10875600).

Almost surely, 2^172253226 is an apocalyptic number.

172253226 is an abundant number, since it is smaller than the sum of its proper divisors (175765974).

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

172253226 is a wasteful number, since it uses less digits than its factorization.

172253226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its digits is 10080, while the sum is 30.

The square root of 172253226 is about 13124.5276486432. The cubic root of 172253226 is about 556.4025624369.

The spelling of 172253226 in words is "one hundred seventy-two million, two hundred fifty-three thousand, two hundred twenty-six".