196825221 has 10 divisors (see below), whose sum is σ = 294022982. Its totient is φ = 131216760.

The previous prime is 196825219. The next prime is 196825241. The reversal of 196825221 is 122528691.

196825221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 162180225 + 34644996 = 12735^2 + 5886^2 .

It is not a de Polignac number, because 196825221 - 2¹ = 196825219 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 (196825241) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1214890 + ... + 1215051.

Almost surely, 2^196825221 is an apocalyptic number.

It is an amenable number.

196825221 is a deficient number, since it is larger than the sum of its proper divisors (97197761).

196825221 is an equidigital number, since it uses as much as digits as its factorization.

196825221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429953 (or 2429944 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 196825221 is about 14029.4412219447. The cubic root of 196825221 is about 581.6926584317.

The spelling of 196825221 in words is "one hundred ninety-six million, eight hundred twenty-five thousand, two hundred twenty-one".