16849225 has 12 divisors (see below), whose sum is σ = 21802176. Its totient is φ = 12892880.

The previous prime is 16849207. The next prime is 16849243. The reversal of 16849225 is 52294861.

It is an interprime number because it is at equal distance from previous prime (16849207) and next prime (16849243).

It is a de Polignac number, because none of the positive numbers 2^k-16849225 is a prime.

It is a Duffinian number.

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, 14077 + ... + 15226.

It is an arithmetic number, because the mean of its divisors is an integer number (1816848).

Almost surely, 2^16849225 is an apocalyptic number.

It is an amenable number.

16849225 is a deficient number, since it is larger than the sum of its proper divisors (4952951).

16849225 is a wasteful number, since it uses less digits than its factorization.

16849225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29336 (or 29331 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 16849225 is about 4104.7807493215. The cubic root of 16849225 is about 256.3657339598.

The spelling of 16849225 in words is "sixteen million, eight hundred forty-nine thousand, two hundred twenty-five".