199223285 has 16 divisors (see below), whose sum is σ = 241367040. Its totient is φ = 157854720.

The previous prime is 199223251. The next prime is 199223287. The reversal of 199223285 is 582322991.

It is not a de Polignac number, because 199223285 - 2²⁶ = 132114421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199223287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415676 + ... + 416154.

It is an arithmetic number, because the mean of its divisors is an integer number (15085440).

Almost surely, 2^199223285 is an apocalyptic number.

It is an amenable number.

199223285 is a deficient number, since it is larger than the sum of its proper divisors (42143755).

199223285 is a wasteful number, since it uses less digits than its factorization.

199223285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108.

The product of its digits is 77760, while the sum is 41.

The square root of 199223285 is about 14114.6478879213. The cubic root of 199223285 is about 584.0455226993.

The spelling of 199223285 in words is "one hundred ninety-nine million, two hundred twenty-three thousand, two hundred eighty-five".