42226171 has 6 divisors (see below), whose sum is σ = 45724380. Its totient is φ = 38977848.

The previous prime is 42226169. The next prime is 42226199. The reversal of 42226171 is 17162224.

42226171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42226171 - 2¹ = 42226169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42226141) 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 5 ways as a sum of consecutive naturals, for example, 124761 + ... + 125098.

It is an arithmetic number, because the mean of its divisors is an integer number (7620730).

Almost surely, 2^42226171 is an apocalyptic number.

42226171 is a deficient number, since it is larger than the sum of its proper divisors (3498209).

42226171 is a wasteful number, since it uses less digits than its factorization.

42226171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249885 (or 249872 counting only the distinct ones).

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

The square root of 42226171 is about 6498.1667414741. The cubic root of 42226171 is about 348.2254973745.

Adding to 42226171 its reverse (17162224), we get a palindrome (59388395).

The spelling of 42226171 in words is "forty-two million, two hundred twenty-six thousand, one hundred seventy-one".