15132225 has 24 divisors (see below), whose sum is σ = 25310880. Its totient is φ = 7976320.

The previous prime is 15132217. The next prime is 15132251. The reversal of 15132225 is 52223151.

15132225 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 15132225 - 2³ = 15132217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5542 + ... + 7808.

It is an arithmetic number, because the mean of its divisors is an integer number (1054620).

Almost surely, 2^15132225 is an apocalyptic number.

15132225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15132225 is a deficient number, since it is larger than the sum of its proper divisors (10178655).

15132225 is a wasteful number, since it uses less digits than its factorization.

15132225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2364 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 15132225 is about 3890.0160668049. The cubic root of 15132225 is about 247.3437438354.

Adding to 15132225 its reverse (52223151), we get a palindrome (67355376).

The spelling of 15132225 in words is "fifteen million, one hundred thirty-two thousand, two hundred twenty-five".