42322518 has 24 divisors (see below), whose sum is σ = 104798928. Its totient is φ = 12092112.

The previous prime is 42322477. The next prime is 42322559. The reversal of 42322518 is 81522324.

42322518 is a `hidden beast` number, since 423 + 225 + 18 = 666.

It is an interprime number because it is at equal distance from previous prime (42322477) and next prime (42322559).

It is a junction number, because it is equal to n+sod(n) for n = 42322491 and 42322500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167821 + ... + 168072.

It is an arithmetic number, because the mean of its divisors is an integer number (4366622).

Almost surely, 2^42322518 is an apocalyptic number.

42322518 is an abundant number, since it is smaller than the sum of its proper divisors (62476410).

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

42322518 is a wasteful number, since it uses less digits than its factorization.

42322518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335908 (or 335905 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42322518 is about 6505.5759160892. The cubic root of 42322518 is about 348.4901436530.

The spelling of 42322518 in words is "forty-two million, three hundred twenty-two thousand, five hundred eighteen".