172233227 has 2 divisors, whose sum is σ = 172233228. Its totient is φ = 172233226.

The previous prime is 172233211. The next prime is 172233247. The reversal of 172233227 is 722332271.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172233227 - 2⁴ = 172233211 is a prime.

It is a super-3 number, since 3×172233227³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172233227.

It is not a weakly prime, because it can be changed into another prime (172233247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86116613 + 86116614.

It is an arithmetic number, because the mean of its divisors is an integer number (86116614).

Almost surely, 2^172233227 is an apocalyptic number.

172233227 is a deficient number, since it is larger than the sum of its proper divisors (1).

172233227 is an equidigital number, since it uses as much as digits as its factorization.

172233227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 29.

The square root of 172233227 is about 13123.7657324413. The cubic root of 172233227 is about 556.3810283932.

Adding to 172233227 its reverse (722332271), we get a palindrome (894565498).

The spelling of 172233227 in words is "one hundred seventy-two million, two hundred thirty-three thousand, two hundred twenty-seven".