172271233 has 8 divisors (see below), whose sum is σ = 182496320. Its totient is φ = 162162000.

The previous prime is 172271213. The next prime is 172271243. The reversal of 172271233 is 332172271.

It is a happy number.

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 172271233 - 2¹⁷ = 172140161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172271213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25893 + ... + 31858.

It is an arithmetic number, because the mean of its divisors is an integer number (22812040).

Almost surely, 2^172271233 is an apocalyptic number.

It is an amenable number.

172271233 is a deficient number, since it is larger than the sum of its proper divisors (10225087).

172271233 is a wasteful number, since it uses less digits than its factorization.

172271233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57927.

The product of its digits is 3528, while the sum is 28.

The square root of 172271233 is about 13125.2136363566. The cubic root of 172271233 is about 556.4219501567.

The spelling of 172271233 in words is "one hundred seventy-two million, two hundred seventy-one thousand, two hundred thirty-three".