22012300321 has 8 divisors (see below), whose sum is σ = 24017295744. Its totient is φ = 20007951120.

The previous prime is 22012300309. The next prime is 22012300357. The reversal of 22012300321 is 12300321022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012300321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012300295 and 22012300304.

It is not an unprimeable number, because it can be changed into a prime (22012300361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88905 + ... + 227878.

It is an arithmetic number, because the mean of its divisors is an integer number (3002161968).

Almost surely, 2^22012300321 is an apocalyptic number.

It is an amenable number.

22012300321 is a deficient number, since it is larger than the sum of its proper divisors (2004995423).

22012300321 is a wasteful number, since it uses less digits than its factorization.

22012300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323111.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22012300321 its reverse (12300321022), we get a palindrome (34312621343).

The spelling of 22012300321 in words is "twenty-two billion, twelve million, three hundred thousand, three hundred twenty-one".