22247718912 has 270 divisors, whose sum is σ = 66832294074. Its totient is φ = 7130972160.

The previous prime is 22247718901. The next prime is 22247718953. The reversal of 22247718912 is 21981774222.

It can be written as a sum of positive squares in only one way, i.e., 17146331136 + 5101387776 = 130944^2 + 71424^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 141705138 + ... + 141705294.

Almost surely, 2^22247718912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22247718912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33416147037).

22247718912 is an abundant number, since it is smaller than the sum of its proper divisors (44584575162).

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

22247718912 is an equidigital number, since it uses as much as digits as its factorization.

22247718912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 193 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 22247718912 in words is "twenty-two billion, two hundred forty-seven million, seven hundred eighteen thousand, nine hundred twelve".