42234293 has 2 divisors, whose sum is σ = 42234294. Its totient is φ = 42234292.

The previous prime is 42234281. The next prime is 42234323. The reversal of 42234293 is 39243224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41705764 + 528529 = 6458^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 42234293 - 2⁶ = 42234229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42234263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21117146 + 21117147.

It is an arithmetic number, because the mean of its divisors is an integer number (21117147).

Almost surely, 2^42234293 is an apocalyptic number.

It is an amenable number.

42234293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42234293 is an equidigital number, since it uses as much as digits as its factorization.

42234293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

The square root of 42234293 is about 6498.7916569159. The cubic root of 42234293 is about 348.2478224405.

The spelling of 42234293 in words is "forty-two million, two hundred thirty-four thousand, two hundred ninety-three".