14220531999 has 12 divisors (see below), whose sum is σ = 20545785000. Its totient is φ = 9478039344.

The previous prime is 14220531991. The next prime is 14220532019. The reversal of 14220531999 is 99913502241.

14220531999 is a `hidden beast` number, since 1 + 4 + 2 + 20 + 531 + 9 + 99 = 666.

It is not a de Polignac number, because 14220531999 - 2³ = 14220531991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220531991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153624 + ... + 228125.

It is an arithmetic number, because the mean of its divisors is an integer number (1712148750).

Almost surely, 2^14220531999 is an apocalyptic number.

14220531999 is a deficient number, since it is larger than the sum of its proper divisors (6325253001).

14220531999 is a wasteful number, since it uses less digits than its factorization.

14220531999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385894 (or 385891 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 14220531999 in words is "fourteen billion, two hundred twenty million, five hundred thirty-one thousand, nine hundred ninety-nine".