15168225 has 12 divisors (see below), whose sum is σ = 25078256. Its totient is φ = 8089680.

The previous prime is 15168221. The next prime is 15168239. The reversal of 15168225 is 52286151.

It is not a de Polignac number, because 15168225 - 2² = 15168221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15168192 and 15168201.

It is not an unprimeable number, because it can be changed into a prime (15168221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101047 + ... + 101196.

Almost surely, 2^15168225 is an apocalyptic number.

15168225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15168225 is a deficient number, since it is larger than the sum of its proper divisors (9910031).

15168225 is a wasteful number, since it uses less digits than its factorization.

15168225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202256 (or 202251 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 15168225 is about 3894.6405482406. The cubic root of 15168225 is about 247.5397344633.

The spelling of 15168225 in words is "fifteen million, one hundred sixty-eight thousand, two hundred twenty-five".