8221338194 has 8 divisors (see below), whose sum is σ = 12344555520. Its totient is φ = 4106486356.

The previous prime is 8221338187. The next prime is 8221338211. The reversal of 8221338194 is 4918331228.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088914 + ... + 2092845.

It is an arithmetic number, because the mean of its divisors is an integer number (1543069440).

Almost surely, 2^8221338194 is an apocalyptic number.

8221338194 is a deficient number, since it is larger than the sum of its proper divisors (4123217326).

8221338194 is a wasteful number, since it uses less digits than its factorization.

8221338194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182744.

The product of its digits is 82944, while the sum is 41.

The square root of 8221338194 is about 90671.5952986380. The cubic root of 8221338194 is about 2018.2773106477.

The spelling of 8221338194 in words is "eight billion, two hundred twenty-one million, three hundred thirty-eight thousand, one hundred ninety-four".