13940222016 has 112 divisors (see below), whose sum is σ = 42207972480. Its totient is φ = 3977687040.

The previous prime is 13940221973. The next prime is 13940222017. The reversal of 13940222016 is 61022204931.

13940222016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×13940222016² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13940222017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080886 + ... + 1093706.

Almost surely, 2^13940222016 is an apocalyptic number.

13940222016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13940222016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21103986240).

13940222016 is an abundant number, since it is smaller than the sum of its proper divisors (28267750464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13940222016 is a wasteful number, since it uses less digits than its factorization.

13940222016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13652 (or 13642 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 13940222016 its reverse (61022204931), we get a palindrome (74962426947).

The spelling of 13940222016 in words is "thirteen billion, nine hundred forty million, two hundred twenty-two thousand, sixteen".