42535422 has 64 divisors (see below), whose sum is σ = 98952000. Its totient is φ = 13530240.

The previous prime is 42535403. The next prime is 42535439. The reversal of 42535422 is 22453524.

It is a happy number.

42535422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 121704 + ... + 122052.

It is an arithmetic number, because the mean of its divisors is an integer number (1546125).

Almost surely, 2^42535422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42535422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49476000).

42535422 is an abundant number, since it is smaller than the sum of its proper divisors (56416578).

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

42535422 is a wasteful number, since it uses less digits than its factorization.

42535422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 452 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 42535422 is about 6521.9185827485. The cubic root of 42535422 is about 349.0735279654.

Adding to 42535422 its reverse (22453524), we get a palindrome (64988946).

The spelling of 42535422 in words is "forty-two million, five hundred thirty-five thousand, four hundred twenty-two".