22142543115 has 48 divisors (see below), whose sum is σ = 44958827520. Its totient is φ = 9202092480.

The previous prime is 22142543113. The next prime is 22142543123. The reversal of 22142543115 is 51134524122.

It is not a de Polignac number, because 22142543115 - 2¹ = 22142543113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22142543113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1361275 + ... + 1377444.

It is an arithmetic number, because the mean of its divisors is an integer number (936642240).

Almost surely, 2^22142543115 is an apocalyptic number.

22142543115 is an abundant number, since it is smaller than the sum of its proper divisors (22816284405).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22142543115 is a wasteful number, since it uses less digits than its factorization.

22142543115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738752 (or 2738745 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The spelling of 22142543115 in words is "twenty-two billion, one hundred forty-two million, five hundred forty-three thousand, one hundred fifteen".