42122347 has 8 divisors (see below), whose sum is σ = 42766416. Its totient is φ = 41482752.

The previous prime is 42122341. The next prime is 42122359. The reversal of 42122347 is 74322124.

It is a happy number.

42122347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42122347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42122341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21063 + ... + 22975.

It is an arithmetic number, because the mean of its divisors is an integer number (5345802).

Almost surely, 2^42122347 is an apocalyptic number.

42122347 is a deficient number, since it is larger than the sum of its proper divisors (644069).

42122347 is a wasteful number, since it uses less digits than its factorization.

42122347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237.

The product of its digits is 2688, while the sum is 25.

The square root of 42122347 is about 6490.1731101720. The cubic root of 42122347 is about 347.9398622246.

The spelling of 42122347 in words is "forty-two million, one hundred twenty-two thousand, three hundred forty-seven".