22143 has 12 divisors (see below), whose sum is σ = 32984. Its totient is φ = 13200.

The previous prime is 22133. The next prime is 22147. The reversal of 22143 is 34122.

22143 is nontrivially palindromic in base 9.

22143 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 22143 - 2⁵ = 22111 is a prime.

It is a hoax number, since the sum of its digits (12) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

22143 is an undulating number in base 3.

22143 is a nontrivial repdigit in base 9.

It is a plaindrome in base 9 and base 16.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147) 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 11 ways as a sum of consecutive naturals, for example, 333 + ... + 393.

2²²¹⁴³ is an apocalyptic number.

22143 is a deficient number, since it is larger than the sum of its proper divisors (10841).

22143 is a wasteful number, since it uses less digits than its factorization.

22143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 75 counting only the distinct ones).

The product of its digits is 48, while the sum is 12.

The square root of 22143 is about 148.8052418432. The cubic root of 22143 is about 28.0809730915.

Adding to 22143 its sum of digits (12), we get a triangular number (22155 = T₂₁₀).

Adding to 22143 its reverse (34122), we get a palindrome (56265).

It can be divided in two parts, 2 and 2143, that added together give a triangular number (2145 = T₆₅).

The spelling of 22143 in words is "twenty-two thousand, one hundred forty-three", and thus it is an iban number.