172224219 has 8 divisors (see below), whose sum is σ = 230644800. Its totient is φ = 114309896.

The previous prime is 172224209. The next prime is 172224257. The reversal of 172224219 is 912422271.

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 172224219 - 2⁸ = 172223963 is a prime.

It is a super-2 number, since 2×172224219² = 59322363220319922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172224209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125769 + ... + 127130.

It is an arithmetic number, because the mean of its divisors is an integer number (28830600).

Almost surely, 2^172224219 is an apocalyptic number.

172224219 is a deficient number, since it is larger than the sum of its proper divisors (58420581).

172224219 is a wasteful number, since it uses less digits than its factorization.

172224219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253129.

The product of its digits is 4032, while the sum is 30.

The square root of 172224219 is about 13123.4225337752. The cubic root of 172224219 is about 556.3713284304.

The spelling of 172224219 in words is "one hundred seventy-two million, two hundred twenty-four thousand, two hundred nineteen".