16196225 has 12 divisors (see below), whose sum is σ = 20151984. Its totient is φ = 12912720.

The previous prime is 16196207. The next prime is 16196231. The reversal of 16196225 is 52269161.

It is a happy number.

It is not a de Polignac number, because 16196225 - 2¹² = 16192129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16196191 and 16196200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7742 + ... + 9608.

It is an arithmetic number, because the mean of its divisors is an integer number (1679332).

Almost surely, 2^16196225 is an apocalyptic number.

It is an amenable number.

16196225 is a deficient number, since it is larger than the sum of its proper divisors (3955759).

16196225 is a wasteful number, since it uses less digits than its factorization.

16196225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 2219 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 16196225 is about 4024.4533790317. The cubic root of 16196225 is about 253.0101440000.

The spelling of 16196225 in words is "sixteen million, one hundred ninety-six thousand, two hundred twenty-five".