196254221 has 2 divisors, whose sum is σ = 196254222. Its totient is φ = 196254220.

The previous prime is 196254169. The next prime is 196254229. The reversal of 196254221 is 122452691.

196254221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164737225 + 31516996 = 12835^2 + 5614^2 .

It is a cyclic number.

It is not a de Polignac number, because 196254221 - 2¹⁸ = 195992077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196254229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98127110 + 98127111.

It is an arithmetic number, because the mean of its divisors is an integer number (98127111).

Almost surely, 2^196254221 is an apocalyptic number.

It is an amenable number.

196254221 is a deficient number, since it is larger than the sum of its proper divisors (1).

196254221 is an equidigital number, since it uses as much as digits as its factorization.

196254221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 196254221 is about 14009.0763792621. The cubic root of 196254221 is about 581.1296069145.

The spelling of 196254221 in words is "one hundred ninety-six million, two hundred fifty-four thousand, two hundred twenty-one".