1922442349 has 2 divisors, whose sum is σ = 1922442350. Its totient is φ = 1922442348.

The previous prime is 1922442329. The next prime is 1922442391. The reversal of 1922442349 is 9432442291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1309137124 + 613305225 = 36182^2 + 24765^2 .

It is a cyclic number.

It is not a de Polignac number, because 1922442349 - 2⁹ = 1922441837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1922442329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961221174 + 961221175.

It is an arithmetic number, because the mean of its divisors is an integer number (961221175).

Almost surely, 2^1922442349 is an apocalyptic number.

It is an amenable number.

1922442349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1922442349 is an equidigital number, since it uses as much as digits as its factorization.

1922442349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 1922442349 is about 43845.6651107039. The cubic root of 1922442349 is about 1243.4197892301.

The spelling of 1922442349 in words is "one billion, nine hundred twenty-two million, four hundred forty-two thousand, three hundred forty-nine".