4343422221 has 12 divisors (see below), whose sum is σ = 6298830720. Its totient is φ = 2884077000.

The previous prime is 4343422159. The next prime is 4343422229. The reversal of 4343422221 is 1222243434.

4343422221 is a `hidden beast` number, since 4 + 3 + 434 + 2 + 2 + 221 = 666.

It is not a de Polignac number, because 4343422221 - 2¹¹ = 4343420173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4343422229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 959101 + ... + 963618.

It is an arithmetic number, because the mean of its divisors is an integer number (524902560).

Almost surely, 2^4343422221 is an apocalyptic number.

It is an amenable number.

4343422221 is a deficient number, since it is larger than the sum of its proper divisors (1955408499).

4343422221 is a wasteful number, since it uses less digits than its factorization.

4343422221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922976 (or 1922973 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 4343422221 is about 65904.6449121760. The cubic root of 4343422221 is about 1631.5886779243.

Adding to 4343422221 its reverse (1222243434), we get a palindrome (5565665655).

The spelling of 4343422221 in words is "four billion, three hundred forty-three million, four hundred twenty-two thousand, two hundred twenty-one".