4218233 has 4 divisors (see below), whose sum is σ = 4248720. Its totient is φ = 4187748.

The previous prime is 4218199. The next prime is 4218241. The reversal of 4218233 is 3328124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4218233 - 2⁶ = 4218169 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2 + 1 + 8 + 2¹¹ + 3⁷ + 3⁹ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4218199 and 4218208.

It is not an unprimeable number, because it can be changed into a prime (4218283) 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, 15035 + ... + 15312.

It is an arithmetic number, because the mean of its divisors is an integer number (1062180).

Almost surely, 2^4218233 is an apocalyptic number.

It is an amenable number.

4218233 is a deficient number, since it is larger than the sum of its proper divisors (30487).

4218233 is a wasteful number, since it uses less digits than its factorization.

4218233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30486.

The product of its digits is 1152, while the sum is 23.

The square root of 4218233 is about 2053.8337323162. The cubic root of 4218233 is about 161.5760009332.

The spelling of 4218233 in words is "four million, two hundred eighteen thousand, two hundred thirty-three".