14222811987 has 24 divisors (see below), whose sum is σ = 21009358656. Its totient is φ = 9267664896.

The previous prime is 14222811961. The next prime is 14222811989. The reversal of 14222811987 is 78911822241.

It is not a de Polignac number, because 14222811987 - 2⁷ = 14222811859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14222811989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298003 + ... + 342419.

It is an arithmetic number, because the mean of its divisors is an integer number (875389944).

Almost surely, 2^14222811987 is an apocalyptic number.

14222811987 is a deficient number, since it is larger than the sum of its proper divisors (6786546669).

14222811987 is a wasteful number, since it uses less digits than its factorization.

14222811987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45227 (or 45224 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The spelling of 14222811987 in words is "fourteen billion, two hundred twenty-two million, eight hundred eleven thousand, nine hundred eighty-seven".