208206228 has 12 divisors (see below), whose sum is σ = 485814560. Its totient is φ = 69402072.

The previous prime is 208206227. The next prime is 208206307. The reversal of 208206228 is 822602802.

208206228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 208206195 and 208206204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208206223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8675248 + ... + 8675271.

Almost surely, 2^208206228 is an apocalyptic number.

It is an amenable number.

208206228 is an abundant number, since it is smaller than the sum of its proper divisors (277608332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208206228 is a wasteful number, since it uses less digits than its factorization.

208206228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17350526 (or 17350524 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 208206228 is about 14429.3530000482. The cubic root of 208206228 is about 592.6949661928.

The spelling of 208206228 in words is "two hundred eight million, two hundred six thousand, two hundred twenty-eight".