22728221222312 has 32 divisors (see below), whose sum is σ = 42642451918080. Its totient is φ = 11356902506880.

The previous prime is 22728221222309. The next prime is 22728221222327. The reversal of 22728221222312 is 21322212282722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105001748 + ... + 105217980.

It is an arithmetic number, because the mean of its divisors is an integer number (1332576622440).

Almost surely, 2^{22728221222312} is an apocalyptic number.

It is an amenable number.

22728221222312 is a deficient number, since it is larger than the sum of its proper divisors (19914230695768).

22728221222312 is a wasteful number, since it uses less digits than its factorization.

22728221222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224513 (or 224509 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The spelling of 22728221222312 in words is "twenty-two trillion, seven hundred twenty-eight billion, two hundred twenty-one million, two hundred twenty-two thousand, three hundred twelve".