43822349 has 2 divisors, whose sum is σ = 43822350. Its totient is φ = 43822348.

The previous prime is 43822343. The next prime is 43822351. The reversal of 43822349 is 94322834.

It is a happy number.

43822349 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., 42994249 + 828100 = 6557^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 43822349 - 2¹² = 43818253 is a prime.

Together with 43822351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43822343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21911174 + 21911175.

It is an arithmetic number, because the mean of its divisors is an integer number (21911175).

Almost surely, 2^43822349 is an apocalyptic number.

It is an amenable number.

43822349 is a deficient number, since it is larger than the sum of its proper divisors (1).

43822349 is an equidigital number, since it uses as much as digits as its factorization.

43822349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 43822349 is about 6619.8450888219. The cubic root of 43822349 is about 352.5590639254.

The spelling of 43822349 in words is "forty-three million, eight hundred twenty-two thousand, three hundred forty-nine".