4220213 has 4 divisors (see below), whose sum is σ = 4224480. Its totient is φ = 4215948.

The previous prime is 4220207. The next prime is 4220239. The reversal of 4220213 is 3120224.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4220213 - 2¹² = 4216117 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (1056120).

Almost surely, 2^4220213 is an apocalyptic number.

It is an amenable number.

4220213 is a deficient number, since it is larger than the sum of its proper divisors (4267).

4220213 is a wasteful number, since it uses less digits than its factorization.

4220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4220213 is about 2054.3157011521. The cubic root of 4220213 is about 161.6012777445.

Adding to 4220213 its reverse (3120224), we get a palindrome (7340437).

The spelling of 4220213 in words is "four million, two hundred twenty thousand, two hundred thirteen".