196221308 has 24 divisors (see below), whose sum is σ = 358570800. Its totient is φ = 93836288.

The previous prime is 196221301. The next prime is 196221313. The reversal of 196221308 is 803122691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196221301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4508 + ... + 20316.

It is an arithmetic number, because the mean of its divisors is an integer number (14940450).

Almost surely, 2^196221308 is an apocalyptic number.

It is an amenable number.

196221308 is a deficient number, since it is larger than the sum of its proper divisors (162349492).

196221308 is a wasteful number, since it uses less digits than its factorization.

196221308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15949 (or 15947 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 196221308 is about 14007.9016272959. The cubic root of 196221308 is about 581.0971188012.

Adding to 196221308 its reverse (803122691), we get a palindrome (999343999).

The spelling of 196221308 in words is "one hundred ninety-six million, two hundred twenty-one thousand, three hundred eight".