73221304330322 has 4 divisors (see below), whose sum is σ = 109831956495486. Its totient is φ = 36610652165160.

The previous prime is 73221304330301. The next prime is 73221304330381. The reversal of 73221304330322 is 22303340312237.

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., 73196084031841 + 25220298481 = 8555471^2 + 158809^2 .

It is a super-2 number, since 2×73221304330322² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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, 18305326082579 + ... + 18305326082582.

Almost surely, 2^{73221304330322} is an apocalyptic number.

73221304330322 is a deficient number, since it is larger than the sum of its proper divisors (36610652165164).

73221304330322 is a wasteful number, since it uses less digits than its factorization.

73221304330322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36610652165163.

The product of its (nonzero) digits is 108864, while the sum is 35.

Adding to 73221304330322 its reverse (22303340312237), we get a palindrome (95524644642559).

The spelling of 73221304330322 in words is "seventy-three trillion, two hundred twenty-one billion, three hundred four million, three hundred thirty thousand, three hundred twenty-two".