22142302143 has 32 divisors (see below), whose sum is σ = 31994307072. Its totient is φ = 13540502400.

The previous prime is 22142302097. The next prime is 22142302151. The reversal of 22142302143 is 34120324122.

It is a happy number.

It is not a de Polignac number, because 22142302143 - 2²⁰ = 22141253567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142302243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4206133 + ... + 4211393.

It is an arithmetic number, because the mean of its divisors is an integer number (999822096).

Almost surely, 2^22142302143 is an apocalyptic number.

22142302143 is a deficient number, since it is larger than the sum of its proper divisors (9852004929).

22142302143 is a wasteful number, since it uses less digits than its factorization.

22142302143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22142302143 its reverse (34120324122), we get a palindrome (56262626265).

The spelling of 22142302143 in words is "twenty-two billion, one hundred forty-two million, three hundred two thousand, one hundred forty-three".