42557322 has 16 divisors (see below), whose sum is σ = 85210272. Its totient is φ = 14169840.

The previous prime is 42557311. The next prime is 42557323. The reversal of 42557322 is 22375524.

42557322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42557322² = 3622251311623368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42557322.

It is not an unprimeable number, because it can be changed into a prime (42557323) 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 in 7 ways as a sum of consecutive naturals, for example, 2653 + ... + 9599.

It is an arithmetic number, because the mean of its divisors is an integer number (5325642).

Almost surely, 2^42557322 is an apocalyptic number.

42557322 is an abundant number, since it is smaller than the sum of its proper divisors (42652950).

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

42557322 is a wasteful number, since it uses less digits than its factorization.

42557322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7973.

The product of its digits is 16800, while the sum is 30.

The square root of 42557322 is about 6523.5973204973. The cubic root of 42557322 is about 349.1334262673.

The spelling of 42557322 in words is "forty-two million, five hundred fifty-seven thousand, three hundred twenty-two".