7022313221 has 32 divisors (see below), whose sum is σ = 8846745600. Its totient is φ = 5414921280.

The previous prime is 7022313209. The next prime is 7022313247. The reversal of 7022313221 is 1223132207.

It is a cyclic number.

It is not a de Polignac number, because 7022313221 - 2²² = 7018118917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7022313251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3991340 + ... + 3993098.

It is an arithmetic number, because the mean of its divisors is an integer number (276460800).

Almost surely, 2^7022313221 is an apocalyptic number.

It is an amenable number.

7022313221 is a deficient number, since it is larger than the sum of its proper divisors (1824432379).

7022313221 is a wasteful number, since it uses less digits than its factorization.

7022313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 7022313221 is about 83799.2435586384. The cubic root of 7022313221 is about 1914.9615819883.

Adding to 7022313221 its reverse (1223132207), we get a palindrome (8245445428).

The spelling of 7022313221 in words is "seven billion, twenty-two million, three hundred thirteen thousand, two hundred twenty-one".