32200225 has 6 divisors (see below), whose sum is σ = 39928310. Its totient is φ = 25760160.

The previous prime is 32200199. The next prime is 32200243. The reversal of 32200225 is 52200223.

It can be written as a sum of positive squares in 3 ways, for example, as 8317456 + 23882769 = 2884^2 + 4887^2 .

It is a de Polignac number, because none of the positive numbers 2^k-32200225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32200199 and 32200208.

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 5 ways as a sum of consecutive naturals, for example, 643980 + ... + 644029.

Almost surely, 2^32200225 is an apocalyptic number.

It is an amenable number.

32200225 is a deficient number, since it is larger than the sum of its proper divisors (7728085).

32200225 is a wasteful number, since it uses less digits than its factorization.

32200225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288019 (or 1288014 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 32200225 is about 5674.5242091298. The cubic root of 32200225 is about 318.1409953192.

Adding to 32200225 its reverse (52200223), we get a palindrome (84400448).

The spelling of 32200225 in words is "thirty-two million, two hundred thousand, two hundred twenty-five".