13440422 has 8 divisors (see below), whose sum is σ = 20811072. Its totient is φ = 6503400.

The previous prime is 13440419. The next prime is 13440431. The reversal of 13440422 is 22404431.

13440422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13440394 and 13440403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108329 + ... + 108452.

It is an arithmetic number, because the mean of its divisors is an integer number (2601384).

Almost surely, 2^13440422 is an apocalyptic number.

13440422 is a deficient number, since it is larger than the sum of its proper divisors (7370650).

13440422 is a wasteful number, since it uses less digits than its factorization.

13440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216814.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 13440422 is about 3666.1181104814. The cubic root of 13440422 is about 237.7593665121.

Adding to 13440422 its reverse (22404431), we get a palindrome (35844853).

The spelling of 13440422 in words is "thirteen million, four hundred forty thousand, four hundred twenty-two".