303222121 has 8 divisors (see below), whose sum is σ = 319373600. Its totient is φ = 287089920.

The previous prime is 303222119. The next prime is 303222131. The reversal of 303222121 is 121222303.

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 303222121 - 2¹ = 303222119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303222095 and 303222104.

It is not an unprimeable number, because it can be changed into a prime (303222131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36745 + ... + 44233.

It is an arithmetic number, because the mean of its divisors is an integer number (39921700).

Almost surely, 2^303222121 is an apocalyptic number.

It is an amenable number.

303222121 is a deficient number, since it is larger than the sum of its proper divisors (16151479).

303222121 is a wasteful number, since it uses less digits than its factorization.

303222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9639.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 303222121 is about 17413.2742756783. The cubic root of 303222121 is about 671.8210805145.

Adding to 303222121 its reverse (121222303), we get a palindrome (424444424).

The spelling of 303222121 in words is "three hundred three million, two hundred twenty-two thousand, one hundred twenty-one".