4002221213 has 2 divisors, whose sum is σ = 4002221214. Its totient is φ = 4002221212.

The previous prime is 4002221189. The next prime is 4002221219. The reversal of 4002221213 is 3121222004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3841768324 + 160452889 = 61982^2 + 12667^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002221213 - 2⁶ = 4002221149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4002221191 and 4002221200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002221219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001110606 + 2001110607.

It is an arithmetic number, because the mean of its divisors is an integer number (2001110607).

Almost surely, 2^4002221213 is an apocalyptic number.

It is an amenable number.

4002221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002221213 is an equidigital number, since it uses as much as digits as its factorization.

4002221213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4002221213 is about 63263.1109968519. The cubic root of 4002221213 is about 1587.6948272512.

Adding to 4002221213 its reverse (3121222004), we get a palindrome (7123443217).

The spelling of 4002221213 in words is "four billion, two million, two hundred twenty-one thousand, two hundred thirteen".