16085225 has 24 divisors (see below), whose sum is σ = 21998592. Its totient is φ = 11592000.

The previous prime is 16085221. The next prime is 16085261. The reversal of 16085225 is 52258061.

It is not a de Polignac number, because 16085225 - 2² = 16085221 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16085221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13400 + ... + 14550.

It is an arithmetic number, because the mean of its divisors is an integer number (916608).

Almost surely, 2^16085225 is an apocalyptic number.

It is an amenable number.

16085225 is a deficient number, since it is larger than the sum of its proper divisors (5913367).

16085225 is a wasteful number, since it uses less digits than its factorization.

16085225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 16085225 is about 4010.6389765223. The cubic root of 16085225 is about 252.4308211621.

The spelling of 16085225 in words is "sixteen million, eighty-five thousand, two hundred twenty-five".