22653 has 8 divisors (see below), whose sum is σ = 33600. Its totient is φ = 15084.

The previous prime is 22651. The next prime is 22669. The reversal of 22653 is 35622.

It is not a de Polignac number, because 22653 - 2¹ = 22651 is a prime.

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 22653.

It is not an unprimeable number, because it can be changed into a prime (22651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393 + ... + 446.

It is an arithmetic number, because the mean of its divisors is an integer number (4200).

2²²⁶⁵³ is an apocalyptic number.

It is an amenable number.

22653 is a deficient number, since it is larger than the sum of its proper divisors (10947).

22653 is an equidigital number, since it uses as much as digits as its factorization.

22653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 842 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 22653 is about 150.5091359353. The cubic root of 22653 is about 28.2949268169.

The spelling of 22653 in words is "twenty-two thousand, six hundred fifty-three".