30422256461 has 2 divisors, whose sum is σ = 30422256462. Its totient is φ = 30422256460.

The previous prime is 30422256421. The next prime is 30422256497. The reversal of 30422256461 is 16465222403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30335188900 + 87067561 = 174170^2 + 9331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30422256461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30422256421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15211128230 + 15211128231.

It is an arithmetic number, because the mean of its divisors is an integer number (15211128231).

Almost surely, 2^30422256461 is an apocalyptic number.

It is an amenable number.

30422256461 is a deficient number, since it is larger than the sum of its proper divisors (1).

30422256461 is an equidigital number, since it uses as much as digits as its factorization.

30422256461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 30422256461 its reverse (16465222403), we get a palindrome (46887478864).

The spelling of 30422256461 in words is "thirty billion, four hundred twenty-two million, two hundred fifty-six thousand, four hundred sixty-one".