42322237 has 2 divisors, whose sum is σ = 42322238. Its totient is φ = 42322236.

The previous prime is 42322219. The next prime is 42322243. The reversal of 42322237 is 73222324.

42322237 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., 22838841 + 19483396 = 4779^2 + 4414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42322237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42322207) 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, 21161118 + 21161119.

It is an arithmetic number, because the mean of its divisors is an integer number (21161119).

Almost surely, 2^42322237 is an apocalyptic number.

It is an amenable number.

42322237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42322237 is an equidigital number, since it uses as much as digits as its factorization.

42322237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 25.

The square root of 42322237 is about 6505.5543191953. The cubic root of 42322237 is about 348.4893723855.

The spelling of 42322237 in words is "forty-two million, three hundred twenty-two thousand, two hundred thirty-seven".