22031320305 has 8 divisors (see below), whose sum is σ = 35250112512. Its totient is φ = 11750037488.

The previous prime is 22031320303. The next prime is 22031320307. The reversal of 22031320305 is 50302313022.

It is an interprime number because it is at equal distance from previous prime (22031320303) and next prime (22031320307).

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

It is a cyclic number.

It is not a de Polignac number, because 22031320305 - 2¹ = 22031320303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22031320303) 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, 734377329 + ... + 734377358.

It is an arithmetic number, because the mean of its divisors is an integer number (4406264064).

Almost surely, 2^22031320305 is an apocalyptic number.

It is an amenable number.

22031320305 is a deficient number, since it is larger than the sum of its proper divisors (13218792207).

22031320305 is a wasteful number, since it uses less digits than its factorization.

22031320305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468754695.

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 22031320305 its reverse (50302313022), we get a palindrome (72333633327).

The spelling of 22031320305 in words is "twenty-two billion, thirty-one million, three hundred twenty thousand, three hundred five".