42422001565 has 8 divisors (see below), whose sum is σ = 52148021688. Its totient is φ = 33109854720.

The previous prime is 42422001541. The next prime is 42422001577. The reversal of 42422001565 is 56510022424.

It can be written as a sum of positive squares in 4 ways, for example, as 1722167001 + 40699834564 = 41499^2 + 201742^2 .

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

It is not a de Polignac number, because 42422001565 - 2⁵ = 42422001533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103468092 + ... + 103468501.

It is an arithmetic number, because the mean of its divisors is an integer number (6518502711).

Almost surely, 2^42422001565 is an apocalyptic number.

It is an amenable number.

42422001565 is a deficient number, since it is larger than the sum of its proper divisors (9726020123).

42422001565 is a wasteful number, since it uses less digits than its factorization.

42422001565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206936639.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 42422001565 its reverse (56510022424), we get a palindrome (98932023989).

The spelling of 42422001565 in words is "forty-two billion, four hundred twenty-two million, one thousand, five hundred sixty-five".