225436199 has 4 divisors (see below), whose sum is σ = 227969280. Its totient is φ = 222903120.

The previous prime is 225436187. The next prime is 225436213. The reversal of 225436199 is 991634522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991634522 = 2 ⋅495817261.

It is a cyclic number.

It is not a de Polignac number, because 225436199 - 2⁸ = 225435943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225436399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266407 + ... + 1266584.

It is an arithmetic number, because the mean of its divisors is an integer number (56992320).

Almost surely, 2^225436199 is an apocalyptic number.

225436199 is a deficient number, since it is larger than the sum of its proper divisors (2533081).

225436199 is an equidigital number, since it uses as much as digits as its factorization.

225436199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533080.

The product of its digits is 116640, while the sum is 41.

The square root of 225436199 is about 15014.5329264683. The cubic root of 225436199 is about 608.6129903449.

The spelling of 225436199 in words is "two hundred twenty-five million, four hundred thirty-six thousand, one hundred ninety-nine".