4335322252221 has 80 divisors (see below), whose sum is σ = 6896356038000. Its totient is φ = 2704675110912.

The previous prime is 4335322252199. The next prime is 4335322252223. The reversal of 4335322252221 is 1222522235334.

4335322252221 is a `hidden beast` number, since 4 + 33 + 532 + 22 + 52 + 2 + 21 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 123543225 + 4335198708996 = 11115^2 + 2082114^2 .

It is not a de Polignac number, because 4335322252221 - 2¹⁴ = 4335322235837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4335322252223) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 741204505 + ... + 741210353.

It is an arithmetic number, because the mean of its divisors is an integer number (86204450475).

Almost surely, 2^{4335322252221} is an apocalyptic number.

It is an amenable number.

4335322252221 is a deficient number, since it is larger than the sum of its proper divisors (2561033785779).

4335322252221 is a wasteful number, since it uses less digits than its factorization.

4335322252221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8860 (or 8851 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 4335322252221 its reverse (1222522235334), we get a palindrome (5557844487555).

The spelling of 4335322252221 in words is "four trillion, three hundred thirty-five billion, three hundred twenty-two million, two hundred fifty-two thousand, two hundred twenty-one".