13922144 has 24 divisors (see below), whose sum is σ = 27511848. Its totient is φ = 6935040.

The previous prime is 13922071. The next prime is 13922147. The reversal of 13922144 is 44122931.

13922144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13922147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10139 + ... + 11429.

It is an arithmetic number, because the mean of its divisors is an integer number (1146327).

Almost surely, 2^13922144 is an apocalyptic number.

It is an amenable number.

13922144 is a deficient number, since it is larger than the sum of its proper divisors (13589704).

13922144 is a wasteful number, since it uses less digits than its factorization.

13922144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1630 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 13922144 is about 3731.2389363320. The cubic root of 13922144 is about 240.5666241480.

The spelling of 13922144 in words is "thirteen million, nine hundred twenty-two thousand, one hundred forty-four".