4335222221 has 4 divisors (see below), whose sum is σ = 4729333344. Its totient is φ = 3941111100.

The previous prime is 4335222217. The next prime is 4335222239. The reversal of 4335222221 is 1222225334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4335222221 - 2² = 4335222217 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 (4335222271) 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, 197055545 + ... + 197055566.

It is an arithmetic number, because the mean of its divisors is an integer number (1182333336).

Almost surely, 2^4335222221 is an apocalyptic number.

It is an amenable number.

4335222221 is a deficient number, since it is larger than the sum of its proper divisors (394111123).

4335222221 is a wasteful number, since it uses less digits than its factorization.

4335222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394111122.

The product of its digits is 5760, while the sum is 26.

The square root of 4335222221 is about 65842.4044290608. The cubic root of 4335222221 is about 1630.5612656830.

Adding to 4335222221 its reverse (1222225334), we get a palindrome (5557447555).

The spelling of 4335222221 in words is "four billion, three hundred thirty-five million, two hundred twenty-two thousand, two hundred twenty-one".