30222219961 has 2 divisors, whose sum is σ = 30222219962. Its totient is φ = 30222219960.

The previous prime is 30222219947. The next prime is 30222220151. The reversal of 30222219961 is 16991222203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30121338025 + 100881936 = 173555^2 + 10044^2 .

It is a cyclic number.

It is not a de Polignac number, because 30222219961 - 2⁹ = 30222219449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30222219961.

It is not a weakly prime, because it can be changed into another prime (30222219901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111109980 + 15111109981.

It is an arithmetic number, because the mean of its divisors is an integer number (15111109981).

Almost surely, 2^30222219961 is an apocalyptic number.

It is an amenable number.

30222219961 is a deficient number, since it is larger than the sum of its proper divisors (1).

30222219961 is an equidigital number, since it uses as much as digits as its factorization.

30222219961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 30222219961 in words is "thirty billion, two hundred twenty-two million, two hundred nineteen thousand, nine hundred sixty-one".