22310221312 has 40 divisors (see below), whose sum is σ = 44638433136. Its totient is φ = 11139704832.

The previous prime is 22310221289. The next prime is 22310221319. The reversal of 22310221312 is 21312201322.

It is a super-3 number, since 3×22310221312³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22310221312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22310221319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345573 + ... + 405019.

Almost surely, 2^22310221312 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 22310221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22319216568).

22310221312 is an abundant number, since it is smaller than the sum of its proper divisors (22328211824).

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

22310221312 is an frugal number, since it uses more digits than its factorization.

22310221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60198 (or 60182 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22310221312 its reverse (21312201322), we get a palindrome (43622422634).

The spelling of 22310221312 in words is "twenty-two billion, three hundred ten million, two hundred twenty-one thousand, three hundred twelve".