22103 has 6 divisors (see below), whose sum is σ = 23832. Its totient is φ = 20460.

The previous prime is 22093. The next prime is 22109. The reversal of 22103 is 30122.

It is not a de Polignac number, because 22103 - 2⁶ = 22039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 698 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (3972).

2²²¹⁰³ is an apocalyptic number.

22103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22103 is a deficient number, since it is larger than the sum of its proper divisors (1729).

22103 is an equidigital number, since it uses as much as digits as its factorization.

22103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 22103 is about 148.6707772227. The cubic root of 22103 is about 28.0640540357.

Adding to 22103 its reverse (30122), we get a palindrome (52225).

It can be divided in two parts, 22 and 103, that added together give a cube (125 = 5³).

The spelling of 22103 in words is "twenty-two thousand, one hundred three", and thus it is an iban number.