303222223 has 2 divisors, whose sum is σ = 303222224. Its totient is φ = 303222222.

The previous prime is 303222209. The next prime is 303222247. The reversal of 303222223 is 322222303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 303222223 - 2¹³ = 303214031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 303222223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (303222263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151611111 + 151611112.

It is an arithmetic number, because the mean of its divisors is an integer number (151611112).

Almost surely, 2^303222223 is an apocalyptic number.

303222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

303222223 is an equidigital number, since it uses as much as digits as its factorization.

303222223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 303222223 is about 17413.2772044782. The cubic root of 303222223 is about 671.8211558451.

Adding to 303222223 its reverse (322222303), we get a palindrome (625444526).

The spelling of 303222223 in words is "three hundred three million, two hundred twenty-two thousand, two hundred twenty-three".