13922944 has 64 divisors (see below), whose sum is σ = 32558400. Its totient is φ = 5806080.

The previous prime is 13922939. The next prime is 13922963. The reversal of 13922944 is 44922931.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36547 + ... + 36925.

It is an arithmetic number, because the mean of its divisors is an integer number (508725).

Almost surely, 2^13922944 is an apocalyptic number.

13922944 is a gapful number since it is divisible by the number (14) 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 13922944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16279200).

13922944 is an abundant number, since it is smaller than the sum of its proper divisors (18635456).

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

13922944 is an equidigital number, since it uses as much as digits as its factorization.

13922944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 429 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 13922944 is about 3731.3461377900. The cubic root of 13922944 is about 240.5712319060.

The spelling of 13922944 in words is "thirteen million, nine hundred twenty-two thousand, nine hundred forty-four".