22004342143 has 8 divisors (see below), whose sum is σ = 25661040800. Its totient is φ = 18860864400.

The previous prime is 22004342137. The next prime is 22004342147. The reversal of 22004342143 is 34124340022.

It is a happy number.

It is not a de Polignac number, because 22004342143 - 2¹³ = 22004333951 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 (22004342147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32075958 + ... + 32076643.

It is an arithmetic number, because the mean of its divisors is an integer number (3207630100).

Almost surely, 2^22004342143 is an apocalyptic number.

22004342143 is a deficient number, since it is larger than the sum of its proper divisors (3656698657).

22004342143 is an frugal number, since it uses more digits than its factorization.

22004342143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64152622 (or 64152608 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22004342143 its reverse (34124340022), we get a palindrome (56128682165).

The spelling of 22004342143 in words is "twenty-two billion, four million, three hundred forty-two thousand, one hundred forty-three".