4331221322 has 4 divisors (see below), whose sum is σ = 6496831986. Its totient is φ = 2165610660.

The previous prime is 4331221313. The next prime is 4331221343. The reversal of 4331221322 is 2231221334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4286451841 + 44769481 = 65471^2 + 6691^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082805329 + ... + 1082805332.

Almost surely, 2^4331221322 is an apocalyptic number.

4331221322 is a deficient number, since it is larger than the sum of its proper divisors (2165610664).

4331221322 is a wasteful number, since it uses less digits than its factorization.

4331221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165610663.

The product of its digits is 1728, while the sum is 23.

The square root of 4331221322 is about 65812.0150276528. The cubic root of 4331221322 is about 1630.0595060264.

Adding to 4331221322 its reverse (2231221334), we get a palindrome (6562442656).

The spelling of 4331221322 in words is "four billion, three hundred thirty-one million, two hundred twenty-one thousand, three hundred twenty-two".