4228213 has 4 divisors (see below), whose sum is σ = 4612608. Its totient is φ = 3843820.

The previous prime is 4228199. The next prime is 4228243. The reversal of 4228213 is 3128224.

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 4228213 - 2⁹ = 4227701 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228243) 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, 192181 + ... + 192202.

It is an arithmetic number, because the mean of its divisors is an integer number (1153152).

Almost surely, 2^4228213 is an apocalyptic number.

It is an amenable number.

4228213 is a deficient number, since it is larger than the sum of its proper divisors (384395).

4228213 is a wasteful number, since it uses less digits than its factorization.

4228213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384394.

The product of its digits is 768, while the sum is 22.

The square root of 4228213 is about 2056.2618996616. The cubic root of 4228213 is about 161.7033258466.

The spelling of 4228213 in words is "four million, two hundred twenty-eight thousand, two hundred thirteen".