22104143 has 4 divisors (see below), whose sum is σ = 22466568. Its totient is φ = 21741720.

The previous prime is 22104113. The next prime is 22104151. The reversal of 22104143 is 34140122.

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 22104143 - 2¹⁰ = 22103119 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 (22104113) 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 3 ways as a sum of consecutive naturals, for example, 181121 + ... + 181242.

It is an arithmetic number, because the mean of its divisors is an integer number (5616642).

Almost surely, 2^22104143 is an apocalyptic number.

22104143 is a deficient number, since it is larger than the sum of its proper divisors (362425).

22104143 is an equidigital number, since it uses as much as digits as its factorization.

22104143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362424.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22104143 is about 4701.5043337213. The cubic root of 22104143 is about 280.6453778090.

Adding to 22104143 its reverse (34140122), we get a palindrome (56244265).

The spelling of 22104143 in words is "twenty-two million, one hundred four thousand, one hundred forty-three".