14815225 has 6 divisors (see below), whose sum is σ = 18370910. Its totient is φ = 11852160.

The previous prime is 14815223. The next prime is 14815261. The reversal of 14815225 is 52251841.

It can be written as a sum of positive squares in 3 ways, for example, as 2621161 + 12194064 = 1619^2 + 3492^2 .

It is not a de Polignac number, because 14815225 - 2¹ = 14815223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14815193 and 14815202.

It is not an unprimeable number, because it can be changed into a prime (14815223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 296280 + ... + 296329.

Almost surely, 2^14815225 is an apocalyptic number.

It is an amenable number.

14815225 is a deficient number, since it is larger than the sum of its proper divisors (3555685).

14815225 is an equidigital number, since it uses as much as digits as its factorization.

14815225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592619 (or 592614 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 14815225 is about 3849.0550788473. The cubic root of 14815225 is about 245.6043665912.

The spelling of 14815225 in words is "fourteen million, eight hundred fifteen thousand, two hundred twenty-five".