14224520 has 32 divisors (see below), whose sum is σ = 32184000. Its totient is φ = 5658048.

The previous prime is 14224517. The next prime is 14224531. The reversal of 14224520 is 2542241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14224492 and 14224501.

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, 7067 + ... + 8853.

It is an arithmetic number, because the mean of its divisors is an integer number (1005750).

Almost surely, 2^14224520 is an apocalyptic number.

14224520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14224520 is an abundant number, since it is smaller than the sum of its proper divisors (17959480).

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

14224520 is a wasteful number, since it uses less digits than its factorization.

14224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 14224520 is about 3771.5407991960. The cubic root of 14224520 is about 242.2957929437.

Adding to 14224520 its reverse (2542241), we get a palindrome (16766761).

The spelling of 14224520 in words is "fourteen million, two hundred twenty-four thousand, five hundred twenty".