190204218 has 24 divisors (see below), whose sum is σ = 412471488. Its totient is φ = 63345672.

The previous prime is 190204171. The next prime is 190204241. The reversal of 190204218 is 812402091.

190204218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 190204191 and 190204200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19905 + ... + 27867.

It is an arithmetic number, because the mean of its divisors is an integer number (17186312).

Almost surely, 2^190204218 is an apocalyptic number.

190204218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

190204218 is an abundant number, since it is smaller than the sum of its proper divisors (222267270).

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

190204218 is a wasteful number, since it uses less digits than its factorization.

190204218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298 (or 9295 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 190204218 is about 13791.4545280764. The cubic root of 190204218 is about 575.0956040150.

The spelling of 190204218 in words is "one hundred ninety million, two hundred four thousand, two hundred eighteen".