30205105222 has 16 divisors (see below), whose sum is σ = 46266034752. Its totient is φ = 14785859880.

The previous prime is 30205105193. The next prime is 30205105261. The reversal of 30205105222 is 22250150203.

It is a junction number, because it is equal to n+sod(n) for n = 30205105193 and 30205105202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669604 + ... + 713287.

It is an arithmetic number, because the mean of its divisors is an integer number (2891627172).

Almost surely, 2^30205105222 is an apocalyptic number.

30205105222 is a deficient number, since it is larger than the sum of its proper divisors (16060929530).

30205105222 is a wasteful number, since it uses less digits than its factorization.

30205105222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383123.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 30205105222 its reverse (22250150203), we get a palindrome (52455255425).

The spelling of 30205105222 in words is "thirty billion, two hundred five million, one hundred five thousand, two hundred twenty-two".