22143016742015 has 32 divisors (see below), whose sum is σ = 28693148467200. Its totient is φ = 16307453796480.

The previous prime is 22143016741973. The next prime is 22143016742017. The reversal of 22143016742015 is 51024761034122.

It is not a de Polignac number, because 22143016742015 - 2¹⁴ = 22143016725631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22143016742015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143016742017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504478220 + ... + 504522110.

It is an arithmetic number, because the mean of its divisors is an integer number (896660889600).

Almost surely, 2^{22143016742015} is an apocalyptic number.

22143016742015 is a deficient number, since it is larger than the sum of its proper divisors (6550131725185).

22143016742015 is a wasteful number, since it uses less digits than its factorization.

22143016742015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64767.

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 22143016742015 its reverse (51024761034122), we get a palindrome (73167777776137).

The spelling of 22143016742015 in words is "twenty-two trillion, one hundred forty-three billion, sixteen million, seven hundred forty-two thousand, fifteen".