30222212309 has 2 divisors, whose sum is σ = 30222212310. Its totient is φ = 30222212308.

The previous prime is 30222212297. The next prime is 30222212347. The reversal of 30222212309 is 90321222203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20476179025 + 9746033284 = 143095^2 + 98722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30222212309 is a prime.

It is a super-2 number, since 2×30222212309² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30222212389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111106154 + 15111106155.

It is an arithmetic number, because the mean of its divisors is an integer number (15111106155).

Almost surely, 2^30222212309 is an apocalyptic number.

It is an amenable number.

30222212309 is a deficient number, since it is larger than the sum of its proper divisors (1).

30222212309 is an equidigital number, since it uses as much as digits as its factorization.

30222212309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 30222212309 in words is "thirty billion, two hundred twenty-two million, two hundred twelve thousand, three hundred nine".