42243335 has 4 divisors (see below), whose sum is σ = 50692008. Its totient is φ = 33794664.

The previous prime is 42243281. The next prime is 42243337. The reversal of 42243335 is 53334224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42243335 - 2¹⁰ = 42242311 is a prime.

It is a super-3 number, since 3×42243335³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42243337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4224329 + ... + 4224338.

It is an arithmetic number, because the mean of its divisors is an integer number (12673002).

Almost surely, 2^42243335 is an apocalyptic number.

42243335 is a deficient number, since it is larger than the sum of its proper divisors (8448673).

42243335 is an equidigital number, since it uses as much as digits as its factorization.

42243335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448672.

The product of its digits is 8640, while the sum is 26.

The square root of 42243335 is about 6499.4872874712. The cubic root of 42243335 is about 348.2726729581.

Adding to 42243335 its reverse (53334224), we get a palindrome (95577559).

The spelling of 42243335 in words is "forty-two million, two hundred forty-three thousand, three hundred thirty-five".