42822564 has 24 divisors (see below), whose sum is σ = 100642080. Its totient is φ = 14170944.

The previous prime is 42822557. The next prime is 42822587. The reversal of 42822564 is 46522824.

42822564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11169 + ... + 14504.

It is an arithmetic number, because the mean of its divisors is an integer number (4193420).

Almost surely, 2^42822564 is an apocalyptic number.

It is an amenable number.

42822564 is an abundant number, since it is smaller than the sum of its proper divisors (57819516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42822564 is a wasteful number, since it uses less digits than its factorization.

42822564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25819 (or 25817 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 42822564 is about 6543.8951703095. The cubic root of 42822564 is about 349.8572588003.

The spelling of 42822564 in words is "forty-two million, eight hundred twenty-two thousand, five hundred sixty-four".