32404225 has 12 divisors (see below), whose sum is σ = 45921664. Its totient is φ = 22219920.

The previous prime is 32404213. The next prime is 32404243. The reversal of 32404225 is 52240423.

It is not a de Polignac number, because 32404225 - 2⁹ = 32403713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32404196 and 32404205.

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 11 ways as a sum of consecutive naturals, for example, 92409 + ... + 92758.

Almost surely, 2^32404225 is an apocalyptic number.

32404225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32404225 is a deficient number, since it is larger than the sum of its proper divisors (13517439).

32404225 is a wasteful number, since it uses less digits than its factorization.

32404225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185184 (or 185179 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 32404225 is about 5692.4709046248. The cubic root of 32404225 is about 318.8114273514.

Adding to 32404225 its reverse (52240423), we get a palindrome (84644648).

The spelling of 32404225 in words is "thirty-two million, four hundred four thousand, two hundred twenty-five".