194225208 has 32 divisors (see below), whose sum is σ = 486908160. Its totient is φ = 64562400.

The previous prime is 194225183. The next prime is 194225219. The reversal of 194225208 is 802522491.

It is a congruent number.

It is an unprimeable number.

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, 2218 + ... + 19833.

It is an arithmetic number, because the mean of its divisors is an integer number (15215880).

Almost surely, 2^194225208 is an apocalyptic number.

It is an amenable number.

194225208 is an abundant number, since it is smaller than the sum of its proper divisors (292682952).

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

194225208 is a wasteful number, since it uses less digits than its factorization.

194225208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22427 (or 22423 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 194225208 is about 13936.4704283402. The cubic root of 194225208 is about 579.1199574865.

Adding to 194225208 its reverse (802522491), we get a palindrome (996747699).

The spelling of 194225208 in words is "one hundred ninety-four million, two hundred twenty-five thousand, two hundred eight".