14226240 has 224 divisors, whose sum is σ = 54132480. Its totient is φ = 3096576.

The previous prime is 14226239. The next prime is 14226293. The reversal of 14226240 is 4262241.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194844 + ... + 194916.

Almost surely, 2^14226240 is an apocalyptic number.

14226240 is a gapful number since it is divisible by the number (10) 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 14226240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27066240).

14226240 is an abundant number, since it is smaller than the sum of its proper divisors (39906240).

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

14226240 is a wasteful number, since it uses less digits than its factorization.

14226240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 14226240 is about 3771.7688158210. The cubic root of 14226240 is about 242.3055585214.

Adding to 14226240 its reverse (4262241), we get a palindrome (18488481).

The spelling of 14226240 in words is "fourteen million, two hundred twenty-six thousand, two hundred forty".