30522215322146 has 4 divisors (see below), whose sum is σ = 45783322983222. Its totient is φ = 15261107661072.

The previous prime is 30522215322143. The next prime is 30522215322259. The reversal of 30522215322146 is 64122351222503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25978236703225 + 4543978618921 = 5096885^2 + 2131661^2 .

It is not an unprimeable number, because it can be changed into a prime (30522215322143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7630553830535 + ... + 7630553830538.

Almost surely, 2^{30522215322146} is an apocalyptic number.

30522215322146 is a deficient number, since it is larger than the sum of its proper divisors (15261107661076).

30522215322146 is a wasteful number, since it uses less digits than its factorization.

30522215322146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15261107661075.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 30522215322146 its reverse (64122351222503), we get a palindrome (94644566544649).

The spelling of 30522215322146 in words is "thirty trillion, five hundred twenty-two billion, two hundred fifteen million, three hundred twenty-two thousand, one hundred forty-six".