208222194 has 8 divisors (see below), whose sum is σ = 416444400. Its totient is φ = 69407396.

The previous prime is 208222193. The next prime is 208222241. The reversal of 208222194 is 491222802.

It is a sphenic number, since it is the product of 3 distinct primes.

208222194 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (208222193) 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, 17351844 + ... + 17351855.

It is an arithmetic number, because the mean of its divisors is an integer number (52055550).

Almost surely, 2^208222194 is an apocalyptic number.

208222194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

208222194 is a wasteful number, since it uses less digits than its factorization.

208222194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34703704.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 208222194 is about 14429.9062367016. The cubic root of 208222194 is about 592.7101157972.

Adding to 208222194 its reverse (491222802), we get a palindrome (699444996).

The spelling of 208222194 in words is "two hundred eight million, two hundred twenty-two thousand, one hundred ninety-four".