199229441 has 2 divisors, whose sum is σ = 199229442. Its totient is φ = 199229440.

The previous prime is 199229419. The next prime is 199229533. The reversal of 199229441 is 144922991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191961025 + 7268416 = 13855^2 + 2696^2 .

It is an emirp because it is prime and its reverse (144922991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199229441 - 2¹⁴ = 199213057 is a prime.

It is a super-2 number, since 2×199229441² = 79384740322344962, which contains 22 as substring.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99614720 + 99614721.

It is an arithmetic number, because the mean of its divisors is an integer number (99614721).

It is a Proth number, since it is equal to 95 ⋅ 2²¹ + 1 and 95 < 2²¹.

Almost surely, 2^199229441 is an apocalyptic number.

It is an amenable number.

199229441 is a deficient number, since it is larger than the sum of its proper divisors (1).

199229441 is an equidigital number, since it uses as much as digits as its factorization.

199229441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 199229441 is about 14114.8659575640. The cubic root of 199229441 is about 584.0515383067.

The spelling of 199229441 in words is "one hundred ninety-nine million, two hundred twenty-nine thousand, four hundred forty-one".