42422508 has 48 divisors (see below), whose sum is σ = 113541120. Its totient is φ = 13683600.

The previous prime is 42422503. The next prime is 42422519. The reversal of 42422508 is 80522424.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (42422503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2988 + ... + 9683.

It is an arithmetic number, because the mean of its divisors is an integer number (2365440).

Almost surely, 2^42422508 is an apocalyptic number.

It is an amenable number.

42422508 is an abundant number, since it is smaller than the sum of its proper divisors (71118612).

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

42422508 is a wasteful number, since it uses less digits than its factorization.

42422508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12715 (or 12707 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 42422508 is about 6513.2563284428. The cubic root of 42422508 is about 348.7643721676.

The spelling of 42422508 in words is "forty-two million, four hundred twenty-two thousand, five hundred eight".