42212167 has 8 divisors (see below), whose sum is σ = 44829360. Its totient is φ = 39634560.

The previous prime is 42212143. The next prime is 42212171. The reversal of 42212167 is 76121224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42212167 - 2⁷ = 42212039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42212267) 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 7 ways as a sum of consecutive naturals, for example, 7684 + ... + 11977.

It is an arithmetic number, because the mean of its divisors is an integer number (5603670).

Almost surely, 2^42212167 is an apocalyptic number.

42212167 is a deficient number, since it is larger than the sum of its proper divisors (2617193).

42212167 is a wasteful number, since it uses less digits than its factorization.

42212167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19793.

The product of its digits is 1344, while the sum is 25.

The square root of 42212167 is about 6497.0891174433. The cubic root of 42212167 is about 348.1869976404.

The spelling of 42212167 in words is "forty-two million, two hundred twelve thousand, one hundred sixty-seven".