30005222361 has 4 divisors (see below), whose sum is σ = 40006963152. Its totient is φ = 20003481572.

The previous prime is 30005222353. The next prime is 30005222393. The reversal of 30005222361 is 16322250003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30005222361 - 2³ = 30005222353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30005222761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000870391 + ... + 5000870396.

It is an arithmetic number, because the mean of its divisors is an integer number (10001740788).

Almost surely, 2^30005222361 is an apocalyptic number.

It is an amenable number.

30005222361 is a deficient number, since it is larger than the sum of its proper divisors (10001740791).

30005222361 is a wasteful number, since it uses less digits than its factorization.

30005222361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001740790.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 30005222361 its reverse (16322250003), we get a palindrome (46327472364).

The spelling of 30005222361 in words is "thirty billion, five million, two hundred twenty-two thousand, three hundred sixty-one".