15038225 has 12 divisors (see below), whose sum is σ = 18720156. Its totient is φ = 11983680.

The previous prime is 15038213. The next prime is 15038227. The reversal of 15038225 is 52283051.

It can be written as a sum of positive squares in 6 ways, for example, as 300304 + 14737921 = 548^2 + 3839^2 .

It is not a de Polignac number, because 15038225 - 2⁶ = 15038161 is a prime.

It is a super-2 number, since 2×15038225² = 452296422301250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15038194 and 15038203.

It is not an unprimeable number, because it can be changed into a prime (15038227) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6299 + ... + 8351.

It is an arithmetic number, because the mean of its divisors is an integer number (1560013).

Almost surely, 2^15038225 is an apocalyptic number.

It is an amenable number.

15038225 is a deficient number, since it is larger than the sum of its proper divisors (3681931).

15038225 is a wasteful number, since it uses less digits than its factorization.

15038225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 15038225 is about 3877.9150325916. The cubic root of 15038225 is about 246.8305207481.

The spelling of 15038225 in words is "fifteen million, thirty-eight thousand, two hundred twenty-five".