42686422 has 16 divisors (see below), whose sum is σ = 68018832. Its totient is φ = 20021760.

The previous prime is 42686383. The next prime is 42686431. The reversal of 42686422 is 22468624.

It is a super-3 number, since 3×42686422³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9358 + ... + 13150.

It is an arithmetic number, because the mean of its divisors is an integer number (4251177).

Almost surely, 2^42686422 is an apocalyptic number.

42686422 is a deficient number, since it is larger than the sum of its proper divisors (25332410).

42686422 is a wasteful number, since it uses less digits than its factorization.

42686422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143.

The product of its digits is 36864, while the sum is 34.

The square root of 42686422 is about 6533.4846751179. The cubic root of 42686422 is about 349.4861084270.

The spelling of 42686422 in words is "forty-two million, six hundred eighty-six thousand, four hundred twenty-two".