30422263 has 2 divisors, whose sum is σ = 30422264. Its totient is φ = 30422262.

The previous prime is 30422257. The next prime is 30422267. The reversal of 30422263 is 36222403.

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-30422263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30422267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15211131 + 15211132.

It is an arithmetic number, because the mean of its divisors is an integer number (15211132).

Almost surely, 2^30422263 is an apocalyptic number.

30422263 is a deficient number, since it is larger than the sum of its proper divisors (1).

30422263 is an equidigital number, since it uses as much as digits as its factorization.

30422263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 30422263 is about 5515.6380410611. The cubic root of 30422263 is about 312.1743184054.

Adding to 30422263 its reverse (36222403), we get a palindrome (66644666).

The spelling of 30422263 in words is "thirty million, four hundred twenty-two thousand, two hundred sixty-three".