16105225 has 12 divisors (see below), whose sum is σ = 20026000. Its totient is φ = 12848400.

The previous prime is 16105189. The next prime is 16105241. The reversal of 16105225 is 52250161.

It is not a de Polignac number, because 16105225 - 2⁷ = 16105097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16105196 and 16105205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11830 + ... + 13120.

Almost surely, 2^16105225 is an apocalyptic number.

It is an amenable number.

16105225 is a deficient number, since it is larger than the sum of its proper divisors (3920775).

16105225 is a wasteful number, since it uses less digits than its factorization.

16105225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 16105225 is about 4013.1315702329. The cubic root of 16105225 is about 252.5354000624.

Adding to 16105225 its reverse (52250161), we get a palindrome (68355386).

The spelling of 16105225 in words is "sixteen million, one hundred five thousand, two hundred twenty-five".