22142221104347 has 2 divisors, whose sum is σ = 22142221104348. Its totient is φ = 22142221104346.

The previous prime is 22142221104323. The next prime is 22142221104389. The reversal of 22142221104347 is 74340112224122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22142221104347 - 2¹⁰ = 22142221103323 is a prime.

It is not a weakly prime, because it can be changed into another prime (22142221103347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071110552173 + 11071110552174.

It is an arithmetic number, because the mean of its divisors is an integer number (11071110552174).

Almost surely, 2^{22142221104347} is an apocalyptic number.

22142221104347 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142221104347 is an equidigital number, since it uses as much as digits as its factorization.

22142221104347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 22142221104347 its reverse (74340112224122), we get a palindrome (96482333328469).

The spelling of 22142221104347 in words is "twenty-two trillion, one hundred forty-two billion, two hundred twenty-one million, one hundred four thousand, three hundred forty-seven".