208670228 has 24 divisors (see below), whose sum is σ = 402413088. Its totient is φ = 94068576.

The previous prime is 208670219. The next prime is 208670233. The reversal of 208670228 is 822076802.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44426 + ... + 48897.

It is an arithmetic number, because the mean of its divisors is an integer number (16767212).

Almost surely, 2^208670228 is an apocalyptic number.

It is an amenable number.

208670228 is a deficient number, since it is larger than the sum of its proper divisors (193742860).

208670228 is a wasteful number, since it uses less digits than its factorization.

208670228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93383 (or 93381 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 208670228 is about 14445.4223891169. The cubic root of 208670228 is about 593.1349248932.

The spelling of 208670228 in words is "two hundred eight million, six hundred seventy thousand, two hundred twenty-eight".