4202334221 has 2 divisors, whose sum is σ = 4202334222. Its totient is φ = 4202334220.

The previous prime is 4202334203. The next prime is 4202334223. The reversal of 4202334221 is 1224332024.

4202334221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2821096996 + 1381237225 = 53114^2 + 37165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4202334221 is a prime.

It is a super-2 number, since 2×4202334221² = 35319225809975353682, which contains 22 as substring.

Together with 4202334223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4202334223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101167110 + 2101167111.

It is an arithmetic number, because the mean of its divisors is an integer number (2101167111).

Almost surely, 2^4202334221 is an apocalyptic number.

It is an amenable number.

4202334221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202334221 is an equidigital number, since it uses as much as digits as its factorization.

4202334221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4202334221 is about 64825.4133885778. The cubic root of 4202334221 is about 1613.7274874175.

Adding to 4202334221 its reverse (1224332024), we get a palindrome (5426666245).

The spelling of 4202334221 in words is "four billion, two hundred two million, three hundred thirty-four thousand, two hundred twenty-one".