30815620222 has 16 divisors (see below), whose sum is σ = 46995867072. Its totient is φ = 15150489120.

The previous prime is 30815620217. The next prime is 30815620223. The reversal of 30815620222 is 22202651803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30815620223) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 370068 + ... + 445624.

It is an arithmetic number, because the mean of its divisors is an integer number (2937241692).

Almost surely, 2^30815620222 is an apocalyptic number.

30815620222 is a deficient number, since it is larger than the sum of its proper divisors (16180246850).

30815620222 is a wasteful number, since it uses less digits than its factorization.

30815620222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78963.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 30815620222 in words is "thirty billion, eight hundred fifteen million, six hundred twenty thousand, two hundred twenty-two".