14225720 has 16 divisors (see below), whose sum is σ = 32007960. Its totient is φ = 5690272.

The previous prime is 14225693. The next prime is 14225741. The reversal of 14225720 is 2752241.

It is a happy number.

It is a super-2 number, since 2×14225720² = 404742219036800, which contains 22 as substring.

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, 177782 + ... + 177861.

Almost surely, 2^14225720 is an apocalyptic number.

14225720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14225720 is an abundant number, since it is smaller than the sum of its proper divisors (17782240).

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

14225720 is a wasteful number, since it uses less digits than its factorization.

14225720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355654 (or 355650 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 14225720 is about 3771.6998820161. The cubic root of 14225720 is about 242.3026062205.

Adding to 14225720 its reverse (2752241), we get a palindrome (16977961).

The spelling of 14225720 in words is "fourteen million, two hundred twenty-five thousand, seven hundred twenty".