22102143 has 16 divisors (see below), whose sum is σ = 33780480. Its totient is φ = 12591936.

The previous prime is 22102139. The next prime is 22102151. The reversal of 22102143 is 34120122.

It is not a de Polignac number, because 22102143 - 2² = 22102139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6571 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (2111280).

Almost surely, 2^22102143 is an apocalyptic number.

22102143 is a deficient number, since it is larger than the sum of its proper divisors (11678337).

22102143 is a wasteful number, since it uses less digits than its factorization.

22102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22102143 is about 4701.2916310308. The cubic root of 22102143 is about 280.6369132166.

Adding to 22102143 its reverse (34120122), we get a palindrome (56222265).

The spelling of 22102143 in words is "twenty-two million, one hundred two thousand, one hundred forty-three".