211424017 has 16 divisors (see below), whose sum is σ = 245670912. Its totient is φ = 178214400.

The previous prime is 211424011. The next prime is 211424029. The reversal of 211424017 is 710424112.

It is a de Polignac number, because none of the positive numbers 2^k-211424017 is a prime.

It is a super-2 number, since 2×211424017² = 89400229928832578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211424011) 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 15 ways as a sum of consecutive naturals, for example, 107392 + ... + 109342.

It is an arithmetic number, because the mean of its divisors is an integer number (15354432).

Almost surely, 2^211424017 is an apocalyptic number.

It is an amenable number.

211424017 is a deficient number, since it is larger than the sum of its proper divisors (34246895).

211424017 is a wasteful number, since it uses less digits than its factorization.

211424017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 211424017 is about 14540.4269882284. The cubic root of 211424017 is about 595.7327009187.

Adding to 211424017 its reverse (710424112), we get a palindrome (921848129).

The spelling of 211424017 in words is "two hundred eleven million, four hundred twenty-four thousand, seventeen".