30322213 has 2 divisors, whose sum is σ = 30322214. Its totient is φ = 30322212.

The previous prime is 30322207. The next prime is 30322223. The reversal of 30322213 is 31222303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30283009 + 39204 = 5503^2 + 198^2 .

It is a cyclic number.

It is not a de Polignac number, because 30322213 - 2¹⁷ = 30191141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30322223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15161106 + 15161107.

It is an arithmetic number, because the mean of its divisors is an integer number (15161107).

Almost surely, 2^30322213 is an apocalyptic number.

It is an amenable number.

30322213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30322213 is an equidigital number, since it uses as much as digits as its factorization.

30322213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30322213 is about 5506.5609049569. The cubic root of 30322213 is about 311.8317256354.

Adding to 30322213 its reverse (31222303), we get a palindrome (61544516).

The spelling of 30322213 in words is "thirty million, three hundred twenty-two thousand, two hundred thirteen".