22263 has 8 divisors (see below), whose sum is σ = 30576. Its totient is φ = 14400.

The previous prime is 22259. The next prime is 22271. The reversal of 22263 is 36222.

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

It is not a de Polignac number, because 22263 - 2² = 22259 is a prime.

It is a d-powerful number, because it can be written as 2² + 2⁸ + 2¹⁰ + 6⁴ + 3⁹ .

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22273) 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, 33 + ... + 213.

It is an arithmetic number, because the mean of its divisors is an integer number (3822).

2²²²⁶³ is an apocalyptic number.

22263 is a deficient number, since it is larger than the sum of its proper divisors (8313).

22263 is a wasteful number, since it uses less digits than its factorization.

22263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its digits is 144, while the sum is 15.

The square root of 22263 is about 149.2079086376. The cubic root of 22263 is about 28.1316083237.

Adding to 22263 its reverse (36222), we get a palindrome (58485).

The spelling of 22263 in words is "twenty-two thousand, two hundred sixty-three".