225799 has 4 divisors (see below), whose sum is σ = 258064. Its totient is φ = 193536.

The previous prime is 225781. The next prime is 225809. The reversal of 225799 is 997522.

225799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997522 = 2 ⋅498761.

It is not a de Polignac number, because 225799 - 2⁵ = 225767 is a prime.

It is a Duffinian number.

225799 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16122 + ... + 16135.

It is an arithmetic number, because the mean of its divisors is an integer number (64516).

2²²⁵⁷⁹⁹ is an apocalyptic number.

225799 is a deficient number, since it is larger than the sum of its proper divisors (32265).

225799 is an equidigital number, since it uses as much as digits as its factorization.

225799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32264.

The product of its digits is 11340, while the sum is 34.

The square root of 225799 is about 475.1831225959. The cubic root of 225799 is about 60.8939301527.

It can be divided in two parts, 225 and 799, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 225799 in words is "two hundred twenty-five thousand, seven hundred ninety-nine".