42588522 has 12 divisors (see below), whose sum is σ = 92275170. Its totient is φ = 14196168.

The previous prime is 42588509. The next prime is 42588523. The reversal of 42588522 is 22588524.

42588522 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., 40182921 + 2405601 = 6339^2 + 1551^2 .

It is a super-2 number, since 2×42588522² = 3627564412288968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42588523) 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 5 ways as a sum of consecutive naturals, for example, 1182997 + ... + 1183032.

Almost surely, 2^42588522 is an apocalyptic number.

42588522 is an abundant number, since it is smaller than the sum of its proper divisors (49686648).

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

42588522 is a wasteful number, since it uses less digits than its factorization.

42588522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366037 (or 2366034 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 42588522 is about 6525.9882010313. The cubic root of 42588522 is about 349.2187253532.

The spelling of 42588522 in words is "forty-two million, five hundred eighty-eight thousand, five hundred twenty-two".