198435225 has 24 divisors (see below), whose sum is σ = 328501792. Its totient is φ = 105696000.

The previous prime is 198435217. The next prime is 198435229. The reversal of 198435225 is 522534891.

It is not a de Polignac number, because 198435225 - 2³ = 198435217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198435229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88974 + ... + 91176.

Almost surely, 2^198435225 is an apocalyptic number.

198435225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198435225 is a deficient number, since it is larger than the sum of its proper divisors (130066567).

198435225 is a wasteful number, since it uses less digits than its factorization.

198435225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417 (or 3412 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 198435225 is about 14086.7038373070. The cubic root of 198435225 is about 583.2744094677.

The spelling of 198435225 in words is "one hundred ninety-eight million, four hundred thirty-five thousand, two hundred twenty-five".