42332237 has 2 divisors, whose sum is σ = 42332238. Its totient is φ = 42332236.

The previous prime is 42332219. The next prime is 42332239. The reversal of 42332237 is 73223324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30846916 + 11485321 = 5554^2 + 3389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42332237 is a prime.

Together with 42332239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42332239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21166118 + 21166119.

It is an arithmetic number, because the mean of its divisors is an integer number (21166119).

Almost surely, 2^42332237 is an apocalyptic number.

It is an amenable number.

42332237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42332237 is an equidigital number, since it uses as much as digits as its factorization.

42332237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 26.

The square root of 42332237 is about 6506.3228478150. The cubic root of 42332237 is about 348.5168175265.

The spelling of 42332237 in words is "forty-two million, three hundred thirty-two thousand, two hundred thirty-seven".