22142340524 has 12 divisors (see below), whose sum is σ = 38808990864. Its totient is φ = 11054057424.

The previous prime is 22142340499. The next prime is 22142340547. The reversal of 22142340524 is 42504324122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4275299 + ... + 4280474.

It is an arithmetic number, because the mean of its divisors is an integer number (3234082572).

Almost surely, 2^22142340524 is an apocalyptic number.

It is an amenable number.

22142340524 is a deficient number, since it is larger than the sum of its proper divisors (16666650340).

22142340524 is a wasteful number, since it uses less digits than its factorization.

22142340524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8556424 (or 8556422 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 22142340524 its reverse (42504324122), we get a palindrome (64646664646).

The spelling of 22142340524 in words is "twenty-two billion, one hundred forty-two million, three hundred forty thousand, five hundred twenty-four".