42221015535 has 16 divisors (see below), whose sum is σ = 67727293920. Its totient is φ = 22459985280.

The previous prime is 42221015491. The next prime is 42221015539. The reversal of 42221015535 is 53551012224.

It is not a de Polignac number, because 42221015535 - 2¹⁴ = 42220999151 is a prime.

It is a super-2 number, since 2×42221015535² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221015539) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3612076 + ... + 3623745.

It is an arithmetic number, because the mean of its divisors is an integer number (4232955870).

Almost surely, 2^42221015535 is an apocalyptic number.

42221015535 is a deficient number, since it is larger than the sum of its proper divisors (25506278385).

42221015535 is a wasteful number, since it uses less digits than its factorization.

42221015535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236218.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 42221015535 its reverse (53551012224), we get a palindrome (95772027759).

The spelling of 42221015535 in words is "forty-two billion, two hundred twenty-one million, fifteen thousand, five hundred thirty-five".