22232011312 has 20 divisors (see below), whose sum is σ = 49228025296. Its totient is φ = 9528004800.

The previous prime is 22232011303. The next prime is 22232011331. The reversal of 22232011312 is 21311023222.

It is a super-3 number, since 3×22232011312³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22232011312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99249939 + ... + 99250162.

Almost surely, 2^22232011312 is an apocalyptic number.

It is an amenable number.

22232011312 is an abundant number, since it is smaller than the sum of its proper divisors (26996013984).

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

22232011312 is a wasteful number, since it uses less digits than its factorization.

22232011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198500116 (or 198500110 counting only the distinct ones).

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

Adding to 22232011312 its reverse (21311023222), we get a palindrome (43543034534).

The spelling of 22232011312 in words is "twenty-two billion, two hundred thirty-two million, eleven thousand, three hundred twelve".