42224033 has 2 divisors, whose sum is σ = 42224034. Its totient is φ = 42224032.

The previous prime is 42223997. The next prime is 42224041. The reversal of 42224033 is 33042224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33085504 + 9138529 = 5752^2 + 3023^2 .

It is a cyclic number.

It is not a de Polignac number, because 42224033 - 2⁶ = 42223969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42223996 and 42224014.

It is not a weakly prime, because it can be changed into another prime (42224333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21112016 + 21112017.

It is an arithmetic number, because the mean of its divisors is an integer number (21112017).

Almost surely, 2^42224033 is an apocalyptic number.

It is an amenable number.

42224033 is a deficient number, since it is larger than the sum of its proper divisors (1).

42224033 is an equidigital number, since it uses as much as digits as its factorization.

42224033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42224033 is about 6498.0022314554. The cubic root of 42224033 is about 348.2196201451.

Adding to 42224033 its reverse (33042224), we get a palindrome (75266257).

The spelling of 42224033 in words is "forty-two million, two hundred twenty-four thousand, thirty-three".