190172224 has 28 divisors (see below), whose sum is σ = 411681168. Its totient is φ = 86441600.

The previous prime is 190172219. The next prime is 190172231. The reversal of 190172224 is 422271091.

190172224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190172224² = 72330949562212352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 190172192 and 190172201.

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, 134362 + ... + 135769.

Almost surely, 2^190172224 is an apocalyptic number.

It is an amenable number.

190172224 is an abundant number, since it is smaller than the sum of its proper divisors (221508944).

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

190172224 is a wasteful number, since it uses less digits than its factorization.

190172224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270154 (or 270144 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 190172224 is about 13790.2945581304. The cubic root of 190172224 is about 575.0633568498.

The spelling of 190172224 in words is "one hundred ninety million, one hundred seventy-two thousand, two hundred twenty-four".