22142443240201 has 16 divisors (see below), whose sum is σ = 23525322347520. Its totient is φ = 20795450219280.

The previous prime is 22142443240199. The next prime is 22142443240217. The reversal of 22142443240201 is 10204234424122.

It is a cyclic number.

It is not a de Polignac number, because 22142443240201 - 2¹ = 22142443240199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22142443240241) 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, 8796435 + ... + 11030056.

It is an arithmetic number, because the mean of its divisors is an integer number (1470332646720).

Almost surely, 2^{22142443240201} is an apocalyptic number.

It is an amenable number.

22142443240201 is a deficient number, since it is larger than the sum of its proper divisors (1382879107319).

22142443240201 is a wasteful number, since it uses less digits than its factorization.

22142443240201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827396.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 22142443240201 its reverse (10204234424122), we get a palindrome (32346677664323).

The spelling of 22142443240201 in words is "twenty-two trillion, one hundred forty-two billion, four hundred forty-three million, two hundred forty thousand, two hundred one".