42230365 has 4 divisors (see below), whose sum is σ = 50676444. Its totient is φ = 33784288.

The previous prime is 42230327. The next prime is 42230381. The reversal of 42230365 is 56303224.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7112889 + 35117476 = 2667^2 + 5926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42230365 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4223032 + ... + 4223041.

It is an arithmetic number, because the mean of its divisors is an integer number (12669111).

Almost surely, 2^42230365 is an apocalyptic number.

It is an amenable number.

42230365 is a deficient number, since it is larger than the sum of its proper divisors (8446079).

42230365 is an equidigital number, since it uses as much as digits as its factorization.

42230365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8446078.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 42230365 is about 6498.4894398622. The cubic root of 42230365 is about 348.2370258441.

Adding to 42230365 its reverse (56303224), we get a palindrome (98533589).

The spelling of 42230365 in words is "forty-two million, two hundred thirty thousand, three hundred sixty-five".