222303 has 4 divisors (see below), whose sum is σ = 296408. Its totient is φ = 148200.

The previous prime is 222293. The next prime is 222311. The reversal of 222303 is 303222.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-222303 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37048 + ... + 37053.

It is an arithmetic number, because the mean of its divisors is an integer number (74102).

2²²²³⁰³ is an apocalyptic number.

222303 is a deficient number, since it is larger than the sum of its proper divisors (74105).

222303 is an equidigital number, since it uses as much as digits as its factorization.

222303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74104.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 222303 is about 471.4901907781. The cubic root of 222303 is about 60.5780246868.

Adding to 222303 its reverse (303222), we get a palindrome (525525).

It can be divided in two parts, 222 and 303, that added together give a palindrome (525).

The spelling of 222303 in words is "two hundred twenty-two thousand, three hundred three", and thus it is an iban number.