225186899 has 12 divisors (see below), whose sum is σ = 263334528. Its totient is φ = 191998800.

The previous prime is 225186889. The next prime is 225186919. The reversal of 225186899 is 998681522.

It is not a de Polignac number, because 225186899 - 2¹² = 225182803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225186869) 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 11 ways as a sum of consecutive naturals, for example, 2672 + ... + 21389.

It is an arithmetic number, because the mean of its divisors is an integer number (21944544).

Almost surely, 2^225186899 is an apocalyptic number.

225186899 is a deficient number, since it is larger than the sum of its proper divisors (38147629).

225186899 is a wasteful number, since it uses less digits than its factorization.

225186899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24266 (or 24259 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 225186899 is about 15006.2286734542. The cubic root of 225186899 is about 608.3885614628.

The spelling of 225186899 in words is "two hundred twenty-five million, one hundred eighty-six thousand, eight hundred ninety-nine".