22000142321 has 8 divisors (see below), whose sum is σ = 23072035200. Its totient is φ = 20937863232.

The previous prime is 22000142303. The next prime is 22000142363. The reversal of 22000142321 is 12324100022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22000142321 - 2⁶ = 22000142257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22000142321.

It is not an unprimeable number, because it can be changed into a prime (22000142621) 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, 2398760 + ... + 2407913.

It is an arithmetic number, because the mean of its divisors is an integer number (2884004400).

Almost surely, 2^22000142321 is an apocalyptic number.

It is an amenable number.

22000142321 is a deficient number, since it is larger than the sum of its proper divisors (1071892879).

22000142321 is a wasteful number, since it uses less digits than its factorization.

22000142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806895.

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

Adding to 22000142321 its reverse (12324100022), we get a palindrome (34324242343).

The spelling of 22000142321 in words is "twenty-two billion, one hundred forty-two thousand, three hundred twenty-one".