22012122304 has 28 divisors (see below), whose sum is σ = 44396383648. Its totient is φ = 10825632000.

The previous prime is 22012122289. The next prime is 22012122323. The reversal of 22012122304 is 40322121022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2815272 + ... + 2823079.

Almost surely, 2^22012122304 is an apocalyptic number.

It is an amenable number.

22012122304 is an abundant number, since it is smaller than the sum of its proper divisors (22384261344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012122304 is an equidigital number, since it uses as much as digits as its factorization.

22012122304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638424 (or 5638414 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22012122304 its reverse (40322121022), we get a palindrome (62334243326).

The spelling of 22012122304 in words is "twenty-two billion, twelve million, one hundred twenty-two thousand, three hundred four".