13900447922 has 16 divisors (see below), whose sum is σ = 20961158400. Its totient is φ = 6913471488.

The previous prime is 13900447921. The next prime is 13900447931. The reversal of 13900447922 is 22974400931.

It is a self number, because there is not a number n which added to its sum of digits gives 13900447922.

It is not an unprimeable number, because it can be changed into a prime (13900447921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355079 + ... + 392277.

It is an arithmetic number, because the mean of its divisors is an integer number (1310072400).

Almost surely, 2^13900447922 is an apocalyptic number.

13900447922 is a deficient number, since it is larger than the sum of its proper divisors (7060710478).

13900447922 is a wasteful number, since it uses less digits than its factorization.

13900447922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38185.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 13900447922 in words is "thirteen billion, nine hundred million, four hundred forty-seven thousand, nine hundred twenty-two".