22142042502242 has 16 divisors (see below), whose sum is σ = 35781069730560. Its totient is φ = 10215645683472.

The previous prime is 22142042502157. The next prime is 22142042502257. The reversal of 22142042502242 is 24220524024122.

It is a junction number, because it is equal to n+sod(n) for n = 22142042502199 and 22142042502208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156534128 + ... + 156675515.

It is an arithmetic number, because the mean of its divisors is an integer number (2236316858160).

Almost surely, 2^{22142042502242} is an apocalyptic number.

22142042502242 is a deficient number, since it is larger than the sum of its proper divisors (13639027228318).

22142042502242 is a wasteful number, since it uses less digits than its factorization.

22142042502242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313212377.

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 22142042502242 its reverse (24220524024122), we get a palindrome (46362566526364).

The spelling of 22142042502242 in words is "twenty-two trillion, one hundred forty-two billion, forty-two million, five hundred two thousand, two hundred forty-two".