225198389 has 8 divisors (see below), whose sum is σ = 243166560. Its totient is φ = 207322416.

The previous prime is 225198367. The next prime is 225198433. The reversal of 225198389 is 983891522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225198389 - 2¹² = 225194293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225198329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17927 + ... + 27780.

It is an arithmetic number, because the mean of its divisors is an integer number (30395820).

Almost surely, 2^225198389 is an apocalyptic number.

It is an amenable number.

225198389 is a deficient number, since it is larger than the sum of its proper divisors (17968171).

225198389 is a wasteful number, since it uses less digits than its factorization.

225198389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46099.

The product of its digits is 311040, while the sum is 47.

The square root of 225198389 is about 15006.6115095980. The cubic root of 225198389 is about 608.3989088168.

The spelling of 225198389 in words is "two hundred twenty-five million, one hundred ninety-eight thousand, three hundred eighty-nine".