16949225 has 12 divisors (see below), whose sum is σ = 21375120. Its totient is φ = 13328400.

The previous prime is 16949201. The next prime is 16949227. The reversal of 16949225 is 52294961.

It is not a de Polignac number, because 16949225 - 2¹⁶ = 16883689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16949227) 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, 4271 + ... + 7220.

It is an arithmetic number, because the mean of its divisors is an integer number (1781260).

Almost surely, 2^16949225 is an apocalyptic number.

It is an amenable number.

16949225 is a deficient number, since it is larger than the sum of its proper divisors (4425895).

16949225 is a wasteful number, since it uses less digits than its factorization.

16949225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11560 (or 11555 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 16949225 is about 4116.9436479019. The cubic root of 16949225 is about 256.8719100076.

It can be divided in two parts, 169 and 49225, that added together give a palindrome (49394).

The spelling of 16949225 in words is "sixteen million, nine hundred forty-nine thousand, two hundred twenty-five".