222523 has 8 divisors (see below), whose sum is σ = 258048. Its totient is φ = 187944.

The previous prime is 222511. The next prime is 222527. The reversal of 222523 is 325222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222523 - 2⁹ = 222011 is a prime.

222523 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 222497 and 222506.

It is not an unprimeable number, because it can be changed into a prime (222527) 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 7 ways as a sum of consecutive naturals, for example, 390 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (32256).

2²²²⁵²³ is an apocalyptic number.

222523 is a deficient number, since it is larger than the sum of its proper divisors (35525).

222523 is an equidigital number, since it uses as much as digits as its factorization.

222523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its digits is 240, while the sum is 16.

The square root of 222523 is about 471.7234359241. The cubic root of 222523 is about 60.5980015824.

Adding to 222523 its reverse (325222), we get a palindrome (547745).

The spelling of 222523 in words is "two hundred twenty-two thousand, five hundred twenty-three".