222265 has 4 divisors (see below), whose sum is σ = 266724. Its totient is φ = 177808.

The previous prime is 222247. The next prime is 222269. The reversal of 222265 is 562222.

222265 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.

It can be written as a sum of positive squares in 2 ways, for example, as 59049 + 163216 = 243^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 222265 - 2⁷ = 222137 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (222269) 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, 22222 + ... + 22231.

It is an arithmetic number, because the mean of its divisors is an integer number (66681).

2²²²²⁶⁵ is an apocalyptic number.

It is an amenable number.

222265 is a deficient number, since it is larger than the sum of its proper divisors (44459).

222265 is an equidigital number, since it uses as much as digits as its factorization.

222265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44458.

The product of its digits is 480, while the sum is 19.

The square root of 222265 is about 471.4498912928. The cubic root of 222265 is about 60.5745727974.

Adding to 222265 its reverse (562222), we get a palindrome (784487).

The spelling of 222265 in words is "two hundred twenty-two thousand, two hundred sixty-five".