4213334221 has 4 divisors (see below), whose sum is σ = 4213577212. Its totient is φ = 4213091232.

The previous prime is 4213334219. The next prime is 4213334249. The reversal of 4213334221 is 1224333124.

4213334221 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2807834121 + 1405500100 = 52989^2 + 37490^2 .

It is a cyclic number.

It is not a de Polignac number, because 4213334221 - 2¹ = 4213334219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213334201) 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, 93306 + ... + 130891.

It is an arithmetic number, because the mean of its divisors is an integer number (1053394303).

Almost surely, 2^4213334221 is an apocalyptic number.

It is an amenable number.

4213334221 is a deficient number, since it is larger than the sum of its proper divisors (242991).

4213334221 is a wasteful number, since it uses less digits than its factorization.

4213334221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242990.

The product of its digits is 3456, while the sum is 25.

The square root of 4213334221 is about 64910.2012090550. The cubic root of 4213334221 is about 1615.1342878301.

Adding to 4213334221 its reverse (1224333124), we get a palindrome (5437667345).

The spelling of 4213334221 in words is "four billion, two hundred thirteen million, three hundred thirty-four thousand, two hundred twenty-one".