42229441 has 2 divisors, whose sum is σ = 42229442. Its totient is φ = 42229440.

The previous prime is 42229417. The next prime is 42229459. The reversal of 42229441 is 14492224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28569025 + 13660416 = 5345^2 + 3696^2 .

It is a cyclic number.

It is not a de Polignac number, because 42229441 - 2¹⁷ = 42098369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42229841) 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, 21114720 + 21114721.

It is an arithmetic number, because the mean of its divisors is an integer number (21114721).

Almost surely, 2^42229441 is an apocalyptic number.

It is an amenable number.

42229441 is a deficient number, since it is larger than the sum of its proper divisors (1).

42229441 is an equidigital number, since it uses as much as digits as its factorization.

42229441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 42229441 is about 6498.4183460285. The cubic root of 42229441 is about 348.2344860179.

The spelling of 42229441 in words is "forty-two million, two hundred twenty-nine thousand, four hundred forty-one".