199534225 has 12 divisors (see below), whose sum is σ = 269915760. Its totient is φ = 145115600.

The previous prime is 199534217. The next prime is 199534243. The reversal of 199534225 is 522435991.

199534225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 199534225 - 2³ = 199534217 is a prime.

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, 362515 + ... + 363064.

It is an arithmetic number, because the mean of its divisors is an integer number (22492980).

Almost surely, 2^199534225 is an apocalyptic number.

It is an amenable number.

199534225 is a deficient number, since it is larger than the sum of its proper divisors (70381535).

199534225 is a wasteful number, since it uses less digits than its factorization.

199534225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725600 (or 725595 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 199534225 is about 14125.6583917352. The cubic root of 199534225 is about 584.3492166458.

The spelling of 199534225 in words is "one hundred ninety-nine million, five hundred thirty-four thousand, two hundred twenty-five".