15023225 has 12 divisors (see below), whose sum is σ = 21290304. Its totient is φ = 10301520.

The previous prime is 15023219. The next prime is 15023227. The reversal of 15023225 is 52232051.

It is not a de Polignac number, because 15023225 - 2¹⁰ = 15022201 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15023197 and 15023206.

It is not an unprimeable number, because it can be changed into a prime (15023227) 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, 42749 + ... + 43098.

It is an arithmetic number, because the mean of its divisors is an integer number (1774192).

Almost surely, 2^15023225 is an apocalyptic number.

It is an amenable number.

15023225 is a deficient number, since it is larger than the sum of its proper divisors (6267079).

15023225 is an equidigital number, since it uses as much as digits as its factorization.

15023225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85864 (or 85859 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 15023225 is about 3875.9805211069. The cubic root of 15023225 is about 246.7484257422.

Adding to 15023225 its reverse (52232051), we get a palindrome (67255276).

The spelling of 15023225 in words is "fifteen million, twenty-three thousand, two hundred twenty-five".