42202564 has 6 divisors (see below), whose sum is σ = 73854494. Its totient is φ = 21101280.

The previous prime is 42202561. The next prime is 42202583. The reversal of 42202564 is 46520224.

42202564 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 only one way, i.e., 38962564 + 3240000 = 6242^2 + 1800^2 .

It is not an unprimeable number, because it can be changed into a prime (42202561) by changing a digit.

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 as a sum of consecutive naturals, namely, 5275317 + ... + 5275324.

Almost surely, 2^42202564 is an apocalyptic number.

It is an amenable number.

42202564 is a deficient number, since it is larger than the sum of its proper divisors (31651930).

42202564 is a wasteful number, since it uses less digits than its factorization.

42202564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550645 (or 10550643 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42202564 is about 6496.3500521447. The cubic root of 42202564 is about 348.1605921942.

Adding to 42202564 its reverse (46520224), we get a palindrome (88722788).

The spelling of 42202564 in words is "forty-two million, two hundred two thousand, five hundred sixty-four".