30222011 has 2 divisors, whose sum is σ = 30222012. Its totient is φ = 30222010.

The previous prime is 30221969. The next prime is 30222013. The reversal of 30222011 is 11022203.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30222011 is a prime.

Together with 30222013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30221983 and 30222001.

It is not a weakly prime, because it can be changed into another prime (30222013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111005 + 15111006.

It is an arithmetic number, because the mean of its divisors is an integer number (15111006).

Almost surely, 2^30222011 is an apocalyptic number.

30222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

30222011 is an equidigital number, since it uses as much as digits as its factorization.

30222011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30222011 is about 5497.4549566140. The cubic root of 30222011 is about 311.4878562271.

Adding to 30222011 its reverse (11022203), we get a palindrome (41244214).

The spelling of 30222011 in words is "thirty million, two hundred twenty-two thousand, eleven".