199953228 has 48 divisors (see below), whose sum is σ = 488162304. Its totient is φ = 63634560.

The previous prime is 199953163. The next prime is 199953233. The reversal of 199953228 is 822359991.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18801 + ... + 27447.

It is an arithmetic number, because the mean of its divisors is an integer number (10170048).

Almost surely, 2^199953228 is an apocalyptic number.

It is an amenable number.

199953228 is an abundant number, since it is smaller than the sum of its proper divisors (288209076).

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

199953228 is a wasteful number, since it uses less digits than its factorization.

199953228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8742 (or 8740 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 199953228 is about 14140.4818871211. The cubic root of 199953228 is about 584.7579567025.

The spelling of 199953228 in words is "one hundred ninety-nine million, nine hundred fifty-three thousand, two hundred twenty-eight".