222563 has 4 divisors (see below), whose sum is σ = 242808. Its totient is φ = 202320.

The previous prime is 222557. The next prime is 222587. The reversal of 222563 is 365222.

It is a happy number.

222563 is nontrivially palindromic in base 16.

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

It is a cyclic number.

It is not a de Polignac number, because 222563 - 2⁶ = 222499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222533) 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, 10106 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (60702).

2²²²⁵⁶³ is an apocalyptic number.

222563 is a deficient number, since it is larger than the sum of its proper divisors (20245).

222563 is a wasteful number, since it uses less digits than its factorization.

222563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20244.

The product of its digits is 720, while the sum is 20.

The square root of 222563 is about 471.7658317428. The cubic root of 222563 is about 60.6016323305.

Adding to 222563 its reverse (365222), we get a palindrome (587785).

The spelling of 222563 in words is "two hundred twenty-two thousand, five hundred sixty-three".