4002213 has 4 divisors (see below), whose sum is σ = 5336288. Its totient is φ = 2668140.

The previous prime is 4002209. The next prime is 4002221. The reversal of 4002213 is 3122004.

4002213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 4002213 - 2² = 4002209 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002223) 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, 667033 + ... + 667038.

It is an arithmetic number, because the mean of its divisors is an integer number (1334072).

Almost surely, 2^4002213 is an apocalyptic number.

It is an amenable number.

4002213 is a deficient number, since it is larger than the sum of its proper divisors (1334075).

4002213 is a wasteful number, since it uses less digits than its factorization.

4002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334074.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4002213 is about 2000.5531734998. The cubic root of 4002213 is about 158.7693741209.

Adding to 4002213 its reverse (3122004), we get a palindrome (7124217).

The spelling of 4002213 in words is "four million, two thousand, two hundred thirteen".