199229419 has 2 divisors, whose sum is σ = 199229420. Its totient is φ = 199229418.

The previous prime is 199229417. The next prime is 199229441. The reversal of 199229419 is 914922991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199229419 - 2¹ = 199229417 is a prime.

It is a super-2 number, since 2×199229419² = 79384722790155122, which contains 22 as substring.

Together with 199229417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (199229411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99614709 + 99614710.

It is an arithmetic number, because the mean of its divisors is an integer number (99614710).

Almost surely, 2^199229419 is an apocalyptic number.

199229419 is a deficient number, since it is larger than the sum of its proper divisors (1).

199229419 is an equidigital number, since it uses as much as digits as its factorization.

199229419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 46.

The square root of 199229419 is about 14114.8651782438. The cubic root of 199229419 is about 584.0515168087.

The spelling of 199229419 in words is "one hundred ninety-nine million, two hundred twenty-nine thousand, four hundred nineteen".