14226440 has 32 divisors (see below), whose sum is σ = 33696000. Its totient is φ = 5390784.

The previous prime is 14226439. The next prime is 14226451. The reversal of 14226440 is 4462241.

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, 8600 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^14226440 is an apocalyptic number.

14226440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14226440 is an abundant number, since it is smaller than the sum of its proper divisors (19469560).

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

14226440 is a wasteful number, since it uses less digits than its factorization.

14226440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18749 (or 18745 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 14226440 is about 3771.7953284875. The cubic root of 14226440 is about 242.3066940026.

Adding to 14226440 its reverse (4462241), we get a palindrome (18688681).

The spelling of 14226440 in words is "fourteen million, two hundred twenty-six thousand, four hundred forty".