190119221 has 2 divisors, whose sum is σ = 190119222. Its totient is φ = 190119220.

The previous prime is 190119191. The next prime is 190119233. The reversal of 190119221 is 122911091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187827025 + 2292196 = 13705^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 190119221 - 2²⁶ = 123010357 is a prime.

It is a super-2 number, since 2×190119221² = 72290636387293682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190419221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95059610 + 95059611.

It is an arithmetic number, because the mean of its divisors is an integer number (95059611).

Almost surely, 2^190119221 is an apocalyptic number.

It is an amenable number.

190119221 is a deficient number, since it is larger than the sum of its proper divisors (1).

190119221 is an equidigital number, since it uses as much as digits as its factorization.

190119221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 190119221 is about 13788.3726741048. The cubic root of 190119221 is about 575.0099264827.

The spelling of 190119221 in words is "one hundred ninety million, one hundred nineteen thousand, two hundred twenty-one".