30222220312 has 16 divisors (see below), whose sum is σ = 58620686400. Its totient is φ = 14590037280.

The previous prime is 30222220309. The next prime is 30222220313. The reversal of 30222220312 is 21302222203.

It is a self number, because there is not a number n which added to its sum of digits gives 30222220312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222220313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65133864 + ... + 65134327.

It is an arithmetic number, because the mean of its divisors is an integer number (3663792900).

Almost surely, 2^30222220312 is an apocalyptic number.

It is an amenable number.

30222220312 is a deficient number, since it is larger than the sum of its proper divisors (28398466088).

30222220312 is a wasteful number, since it uses less digits than its factorization.

30222220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130268226 (or 130268222 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30222220312 its reverse (21302222203), we get a palindrome (51524442515).

The spelling of 30222220312 in words is "thirty billion, two hundred twenty-two million, two hundred twenty thousand, three hundred twelve".