42422535 has 80 divisors (see below), whose sum is σ = 82764000. Its totient is φ = 20715264.

The previous prime is 42422533. The next prime is 42422581. The reversal of 42422535 is 53522424.

It is a happy number.

It is not a de Polignac number, because 42422535 - 2¹ = 42422533 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 42422499 and 42422508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 284641 + ... + 284789.

It is an arithmetic number, because the mean of its divisors is an integer number (1034550).

Almost surely, 2^42422535 is an apocalyptic number.

42422535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42422535 is a deficient number, since it is larger than the sum of its proper divisors (40341465).

42422535 is a wasteful number, since it uses less digits than its factorization.

42422535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 213 counting only the distinct ones).

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

The square root of 42422535 is about 6513.2584011384. The cubic root of 42422535 is about 348.7644461584.

Adding to 42422535 its reverse (53522424), we get a palindrome (95944959).

The spelling of 42422535 in words is "forty-two million, four hundred twenty-two thousand, five hundred thirty-five".