42442265 has 8 divisors (see below), whose sum is σ = 51130440. Its totient is φ = 33820672.

The previous prime is 42442259. The next prime is 42442307. The reversal of 42442265 is 56224424.

42442265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3041536 + 39400729 = 1744^2 + 6277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42442265 - 2⁶ = 42442201 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 15230 + ... + 17799.

It is an arithmetic number, because the mean of its divisors is an integer number (6391305).

Almost surely, 2^42442265 is an apocalyptic number.

It is an amenable number.

42442265 is a deficient number, since it is larger than the sum of its proper divisors (8688175).

42442265 is a wasteful number, since it uses less digits than its factorization.

42442265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33291.

The product of its digits is 15360, while the sum is 29.

The square root of 42442265 is about 6514.7728279657. The cubic root of 42442265 is about 348.8185059173.

Adding to 42442265 its reverse (56224424), we get a palindrome (98666689).

The spelling of 42442265 in words is "forty-two million, four hundred forty-two thousand, two hundred sixty-five".