225196099 has 4 divisors (see below), whose sum is σ = 229445136. Its totient is φ = 220947064.

The previous prime is 225196087. The next prime is 225196109. The reversal of 225196099 is 990691522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990691522 = 2 ⋅495345761.

It is a cyclic number.

It is not a de Polignac number, because 225196099 - 2⁹ = 225195587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225196999) 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 3 ways as a sum of consecutive naturals, for example, 2124439 + ... + 2124544.

It is an arithmetic number, because the mean of its divisors is an integer number (57361284).

Almost surely, 2^225196099 is an apocalyptic number.

225196099 is a deficient number, since it is larger than the sum of its proper divisors (4249037).

225196099 is an equidigital number, since it uses as much as digits as its factorization.

225196099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249036.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 225196099 is about 15006.5352097011. The cubic root of 225196099 is about 608.3968465785.

The spelling of 225196099 in words is "two hundred twenty-five million, one hundred ninety-six thousand, ninety-nine".