199225236 has 24 divisors (see below), whose sum is σ = 531267520. Its totient is φ = 56921472.

The previous prime is 199225231. The next prime is 199225267. The reversal of 199225236 is 632522991.

It is a junction number, because it is equal to n+sod(n) for n = 199225194 and 199225203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199225231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185781 + ... + 1185948.

Almost surely, 2^199225236 is an apocalyptic number.

It is an amenable number.

199225236 is an abundant number, since it is smaller than the sum of its proper divisors (332042284).

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

199225236 is a wasteful number, since it uses less digits than its factorization.

199225236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371743 (or 2371741 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 199225236 is about 14114.7170003511. The cubic root of 199225236 is about 584.0474292186.

The spelling of 199225236 in words is "one hundred ninety-nine million, two hundred twenty-five thousand, two hundred thirty-six".