42922241 has 2 divisors, whose sum is σ = 42922242. Its totient is φ = 42922240.

The previous prime is 42922219. The next prime is 42922261. The reversal of 42922241 is 14222924.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27867841 + 15054400 = 5279^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 42922241 - 2⁶ = 42922177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42922241.

It is not a weakly prime, because it can be changed into another prime (42922211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21461120 + 21461121.

It is an arithmetic number, because the mean of its divisors is an integer number (21461121).

Almost surely, 2^42922241 is an apocalyptic number.

It is an amenable number.

42922241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42922241 is an equidigital number, since it uses as much as digits as its factorization.

42922241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 42922241 is about 6551.5067732545. The cubic root of 42922241 is about 350.1284997553.

The spelling of 42922241 in words is "forty-two million, nine hundred twenty-two thousand, two hundred forty-one".