30220221194 has 4 divisors (see below), whose sum is σ = 45330331794. Its totient is φ = 15110110596.

The previous prime is 30220221181. The next prime is 30220221217. The reversal of 30220221194 is 49112202203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49112202203 = 971 ⋅50578993.

It can be written as a sum of positive squares in only one way, i.e., 29864332969 + 355888225 = 172813^2 + 18865^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555055297 + ... + 7555055300.

Almost surely, 2^30220221194 is an apocalyptic number.

30220221194 is a deficient number, since it is larger than the sum of its proper divisors (15110110600).

30220221194 is a wasteful number, since it uses less digits than its factorization.

30220221194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15110110599.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 30220221194 its reverse (49112202203), we get a palindrome (79332423397).

The spelling of 30220221194 in words is "thirty billion, two hundred twenty million, two hundred twenty-one thousand, one hundred ninety-four".