208226210 has 32 divisors (see below), whose sum is σ = 384626880. Its totient is φ = 81119808.

The previous prime is 208226209. The next prime is 208226219. The reversal of 208226210 is 12622802.

It is not an unprimeable number, because it can be changed into a prime (208226219) 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 15 ways as a sum of consecutive naturals, for example, 293336 + ... + 294044.

It is an arithmetic number, because the mean of its divisors is an integer number (12019590).

Almost surely, 2^208226210 is an apocalyptic number.

208226210 is a deficient number, since it is larger than the sum of its proper divisors (176400670).

208226210 is a wasteful number, since it uses less digits than its factorization.

208226210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 208226210 is about 14430.0453914740. The cubic root of 208226210 is about 592.7139263236.

The spelling of 208226210 in words is "two hundred eight million, two hundred twenty-six thousand, two hundred ten".