22142042502243 has 8 divisors (see below), whose sum is σ = 29522781946128. Its totient is φ = 14761332363264.

The previous prime is 22142042502157. The next prime is 22142042502257. The reversal of 22142042502243 is 34220524024122.

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

It is not a de Polignac number, because 22142042502243 - 2³⁰ = 22140968760419 is a prime.

It is a super-2 number, since 2×22142042502243² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22142042500243) 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, 5498046 + ... + 8632067.

It is an arithmetic number, because the mean of its divisors is an integer number (3690347743266).

Almost surely, 2^{22142042502243} is an apocalyptic number.

22142042502243 is a deficient number, since it is larger than the sum of its proper divisors (7380739443885).

22142042502243 is a wasteful number, since it uses less digits than its factorization.

22142042502243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14652453.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 22142042502243 its reverse (34220524024122), we get a palindrome (56362566526365).

The spelling of 22142042502243 in words is "twenty-two trillion, one hundred forty-two billion, forty-two million, five hundred two thousand, two hundred forty-three".