303320222221 has 8 divisors (see below), whose sum is σ = 321253350264. Its totient is φ = 285397178880.

The previous prime is 303320222167. The next prime is 303320222263. The reversal of 303320222221 is 122222023303.

It can be written as a sum of positive squares in 4 ways, for example, as 172109649321 + 131210572900 = 414861^2 + 362230^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 303320222221 - 2³⁵ = 268960483853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303320222192 and 303320222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303320232221) 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 7 ways as a sum of consecutive naturals, for example, 2459200 + ... + 2579593.

It is an arithmetic number, because the mean of its divisors is an integer number (40156668783).

Almost surely, 2^303320222221 is an apocalyptic number.

It is an amenable number.

303320222221 is a deficient number, since it is larger than the sum of its proper divisors (17933128043).

303320222221 is a wasteful number, since it uses less digits than its factorization.

303320222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042351.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 303320222221 its reverse (122222023303), we get a palindrome (425542245524).

The spelling of 303320222221 in words is "three hundred three billion, three hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".