42223535 has 4 divisors (see below), whose sum is σ = 50668248. Its totient is φ = 33778824.

The previous prime is 42223523. The next prime is 42223543. The reversal of 42223535 is 53532224.

42223535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42223535 - 2²² = 38029231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4222349 + ... + 4222358.

It is an arithmetic number, because the mean of its divisors is an integer number (12667062).

Almost surely, 2^42223535 is an apocalyptic number.

42223535 is a deficient number, since it is larger than the sum of its proper divisors (8444713).

42223535 is an equidigital number, since it uses as much as digits as its factorization.

42223535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8444712.

The product of its digits is 7200, while the sum is 26.

The square root of 42223535 is about 6497.9639118727. The cubic root of 42223535 is about 348.2182511455.

Adding to 42223535 its reverse (53532224), we get a palindrome (95755759).

The spelling of 42223535 in words is "forty-two million, two hundred twenty-three thousand, five hundred thirty-five".