42214191 has 4 divisors (see below), whose sum is σ = 56285592. Its totient is φ = 28142792.

The previous prime is 42214189. The next prime is 42214217. The reversal of 42214191 is 19141224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42214191 - 2¹ = 42214189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42214121) 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 3 ways as a sum of consecutive naturals, for example, 7035696 + ... + 7035701.

It is an arithmetic number, because the mean of its divisors is an integer number (14071398).

Almost surely, 2^42214191 is an apocalyptic number.

42214191 is a deficient number, since it is larger than the sum of its proper divisors (14071401).

42214191 is a wasteful number, since it uses less digits than its factorization.

42214191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14071400.

The product of its digits is 576, while the sum is 24.

The square root of 42214191 is about 6497.2448776385. The cubic root of 42214191 is about 348.1925625385.

The spelling of 42214191 in words is "forty-two million, two hundred fourteen thousand, one hundred ninety-one".