16268225 has 12 divisors (see below), whose sum is σ = 20227500. Its totient is φ = 12979200.

The previous prime is 16268209. The next prime is 16268227. The reversal of 16268225 is 52286261.

It can be written as a sum of positive squares in 6 ways, for example, as 1399489 + 14868736 = 1183^2 + 3856^2 .

It is not a de Polignac number, because 16268225 - 2⁴ = 16268209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16268191 and 16268200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16268227) by changing a digit.

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, 12401 + ... + 13649.

It is an arithmetic number, because the mean of its divisors is an integer number (1685625).

Almost surely, 2^16268225 is an apocalyptic number.

It is an amenable number.

16268225 is a deficient number, since it is larger than the sum of its proper divisors (3959275).

16268225 is a wasteful number, since it uses less digits than its factorization.

16268225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780 (or 1775 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 16268225 is about 4033.3887737237. The cubic root of 16268225 is about 253.3845070136.

The spelling of 16268225 in words is "sixteen million, two hundred sixty-eight thousand, two hundred twenty-five".