22142042502241 has 4 divisors (see below), whose sum is σ = 22142313212932. Its totient is φ = 22141771791552.

The previous prime is 22142042502157. The next prime is 22142042502257. The reversal of 22142042502241 is 14220524024122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2574513311841 + 19567529190400 = 1604529^2 + 4423520^2 .

It is a cyclic number.

It is not a de Polignac number, because 22142042502241 - 2¹³ = 22142042494049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22142042502841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135232620 + ... + 135396253.

It is an arithmetic number, because the mean of its divisors is an integer number (5535578303233).

Almost surely, 2^{22142042502241} is an apocalyptic number.

It is an amenable number.

22142042502241 is a deficient number, since it is larger than the sum of its proper divisors (270710691).

22142042502241 is an equidigital number, since it uses as much as digits as its factorization.

22142042502241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270710690.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 22142042502241 its reverse (14220524024122), we get a palindrome (36362566526363).

The spelling of 22142042502241 in words is "twenty-two trillion, one hundred forty-two billion, forty-two million, five hundred two thousand, two hundred forty-one".