15366225 has 24 divisors (see below), whose sum is σ = 29035840. Its totient is φ = 7024320.

The previous prime is 15366223. The next prime is 15366229. The reversal of 15366225 is 52266351.

15366225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15366225 - 2¹ = 15366223 is a prime.

It is a super-2 number, since 2×15366225² = 472241741501250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15366192 and 15366201.

It is not an unprimeable number, because it can be changed into a prime (15366223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14110 + ... + 15159.

Almost surely, 2^15366225 is an apocalyptic number.

15366225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15366225 is a deficient number, since it is larger than the sum of its proper divisors (13669615).

15366225 is a wasteful number, since it uses less digits than its factorization.

15366225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29289 (or 29284 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 15366225 is about 3919.9776785079. The cubic root of 15366225 is about 248.6121767088.

The spelling of 15366225 in words is "fifteen million, three hundred sixty-six thousand, two hundred twenty-five".