42230244533 has 4 divisors (see below), whose sum is σ = 42648365868. Its totient is φ = 41812123200.

The previous prime is 42230244521. The next prime is 42230244559. The reversal of 42230244533 is 33544203224.

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 41802664849 + 427579684 = 204457^2 + 20678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42230244533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42230244533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42230244583) 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 3 ways as a sum of consecutive naturals, for example, 209060516 + ... + 209060717.

It is an arithmetic number, because the mean of its divisors is an integer number (10662091467).

Almost surely, 2^42230244533 is an apocalyptic number.

It is an amenable number.

42230244533 is a deficient number, since it is larger than the sum of its proper divisors (418121335).

42230244533 is a wasteful number, since it uses less digits than its factorization.

42230244533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418121334.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 42230244533 its reverse (33544203224), we get a palindrome (75774447757).

The spelling of 42230244533 in words is "forty-two billion, two hundred thirty million, two hundred forty-four thousand, five hundred thirty-three".