14720225 has 12 divisors (see below), whose sum is σ = 19657596. Its totient is φ = 10870080.

The previous prime is 14720219. The next prime is 14720227. The reversal of 14720225 is 52202741.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1008016 + 13712209 = 1004^2 + 3703^2 .

It is not a de Polignac number, because 14720225 - 2²⁰ = 13671649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14720225.

It is not an unprimeable number, because it can be changed into a prime (14720227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22322 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (1638133).

Almost surely, 2^14720225 is an apocalyptic number.

It is an amenable number.

14720225 is a deficient number, since it is larger than the sum of its proper divisors (4937371).

14720225 is a wasteful number, since it uses less digits than its factorization.

14720225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45316 (or 45311 counting only the distinct ones).

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

The square root of 14720225 is about 3836.6945408776. The cubic root of 14720225 is about 245.0782756969.

Adding to 14720225 its reverse (52202741), we get a palindrome (66922966).

The spelling of 14720225 in words is "fourteen million, seven hundred twenty thousand, two hundred twenty-five".