30422344021 has 2 divisors, whose sum is σ = 30422344022. Its totient is φ = 30422344020.

The previous prime is 30422344013. The next prime is 30422344093. The reversal of 30422344021 is 12044322403.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24226922500 + 6195421521 = 155650^2 + 78711^2 .

It is a cyclic number.

It is not a de Polignac number, because 30422344021 - 2³ = 30422344013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30422345021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15211172010 + 15211172011.

It is an arithmetic number, because the mean of its divisors is an integer number (15211172011).

Almost surely, 2^30422344021 is an apocalyptic number.

It is an amenable number.

30422344021 is a deficient number, since it is larger than the sum of its proper divisors (1).

30422344021 is an equidigital number, since it uses as much as digits as its factorization.

30422344021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30422344021 its reverse (12044322403), we get a palindrome (42466666424).

The spelling of 30422344021 in words is "thirty billion, four hundred twenty-two million, three hundred forty-four thousand, twenty-one".