208221514 has 16 divisors (see below), whose sum is σ = 315029088. Its totient is φ = 103215952.

The previous prime is 208221511. The next prime is 208221527. The reversal of 208221514 is 415122802.

It is not an unprimeable number, because it can be changed into a prime (208221511) 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 7 ways as a sum of consecutive naturals, for example, 135957 + ... + 137479.

It is an arithmetic number, because the mean of its divisors is an integer number (19689318).

Almost surely, 2^208221514 is an apocalyptic number.

208221514 is a deficient number, since it is larger than the sum of its proper divisors (106807574).

208221514 is a wasteful number, since it uses less digits than its factorization.

208221514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 208221514 is about 14429.8826745057. The cubic root of 208221514 is about 592.7094705837.

The spelling of 208221514 in words is "two hundred eight million, two hundred twenty-one thousand, five hundred fourteen".