14223240 has 48 divisors (see below), whose sum is σ = 46226700. Its totient is φ = 3792768.

The previous prime is 14223227. The next prime is 14223257. The reversal of 14223240 is 4232241.

14223240 is a `hidden beast` number, since 1 + 422 + 3 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13527684 + 695556 = 3678^2 + 834^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19395 + ... + 20114.

Almost surely, 2^14223240 is an apocalyptic number.

14223240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14223240 is an abundant number, since it is smaller than the sum of its proper divisors (32003460).

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

14223240 is a wasteful number, since it uses less digits than its factorization.

14223240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39526 (or 39519 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 14223240 is about 3771.3711034583. The cubic root of 14223240 is about 242.2885250261.

Adding to 14223240 its reverse (4232241), we get a palindrome (18455481).

Subtracting from 14223240 its reverse (4232241), we obtain a palindrome (9990999).

The spelling of 14223240 in words is "fourteen million, two hundred twenty-three thousand, two hundred forty".