196711221 has 8 divisors (see below), whose sum is σ = 299750464. Its totient is φ = 112406400.

The previous prime is 196711219. The next prime is 196711223. The reversal of 196711221 is 122117691.

It is an interprime number because it is at equal distance from previous prime (196711219) and next prime (196711223).

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

It is not a de Polignac number, because 196711221 - 2¹ = 196711219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196711223) 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, 4683580 + ... + 4683621.

It is an arithmetic number, because the mean of its divisors is an integer number (37468808).

Almost surely, 2^196711221 is an apocalyptic number.

It is an amenable number.

196711221 is a deficient number, since it is larger than the sum of its proper divisors (103039243).

196711221 is an equidigital number, since it uses as much as digits as its factorization.

196711221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9367211.

The product of its digits is 1512, while the sum is 30.

The square root of 196711221 is about 14025.3777489236. The cubic root of 196711221 is about 581.5803324308.

The spelling of 196711221 in words is "one hundred ninety-six million, seven hundred eleven thousand, two hundred twenty-one".