4218071 has 12 divisors (see below), whose sum is σ = 4984920. Its totient is φ = 3538080.

The previous prime is 4218061. The next prime is 4218103. The reversal of 4218071 is 1708124.

It is not a de Polignac number, because 4218071 - 2⁶ = 4218007 is a prime.

It is a super-2 number, since 2×4218071² = 35584245922082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218001) 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 11 ways as a sum of consecutive naturals, for example, 725 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (415410).

Almost surely, 2^4218071 is an apocalyptic number.

4218071 is a deficient number, since it is larger than the sum of its proper divisors (766849).

4218071 is a wasteful number, since it uses less digits than its factorization.

4218071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 4218071 is about 2053.7942934968. The cubic root of 4218071 is about 161.5739324804.

The spelling of 4218071 in words is "four million, two hundred eighteen thousand, seventy-one".