15266225 has 24 divisors (see below), whose sum is σ = 20623680. Its totient is φ = 11142720.

The previous prime is 15266219. The next prime is 15266233. The reversal of 15266225 is 52266251.

It is not a de Polignac number, because 15266225 - 2⁸ = 15265969 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34556 + ... + 34994.

It is an arithmetic number, because the mean of its divisors is an integer number (859320).

Almost surely, 2^15266225 is an apocalyptic number.

It is an amenable number.

15266225 is a deficient number, since it is larger than the sum of its proper divisors (5357455).

15266225 is a wasteful number, since it uses less digits than its factorization.

15266225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 564 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 15266225 is about 3907.2016840701. The cubic root of 15266225 is about 248.0716981822.

The spelling of 15266225 in words is "fifteen million, two hundred sixty-six thousand, two hundred twenty-five".