22230311012 has 96 divisors (see below), whose sum is σ = 49014927360. Its totient is φ = 8588442240.

The previous prime is 22230310943. The next prime is 22230311023. The reversal of 22230311012 is 21011303222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2761289 + ... + 2769327.

It is an arithmetic number, because the mean of its divisors is an integer number (510572160).

Almost surely, 2^22230311012 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 22230311012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24507463680).

22230311012 is an abundant number, since it is smaller than the sum of its proper divisors (26784616348).

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

22230311012 is a wasteful number, since it uses less digits than its factorization.

22230311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8241 (or 8239 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22230311012 its reverse (21011303222), we get a palindrome (43241614234).

The spelling of 22230311012 in words is "twenty-two billion, two hundred thirty million, three hundred eleven thousand, twelve".