22333021312 has 64 divisors (see below), whose sum is σ = 53838570240. Its totient is φ = 9008271360.

The previous prime is 22333021309. The next prime is 22333021331. The reversal of 22333021312 is 21312033322.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717864 + ... + 748327.

It is an arithmetic number, because the mean of its divisors is an integer number (841227660).

Almost surely, 2^22333021312 is an apocalyptic number.

It is an amenable number.

22333021312 is an abundant number, since it is smaller than the sum of its proper divisors (31505548928).

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

22333021312 is a wasteful number, since it uses less digits than its factorization.

22333021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466229 (or 1466217 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22333021312 its reverse (21312033322), we get a palindrome (43645054634).

The spelling of 22333021312 in words is "twenty-two billion, three hundred thirty-three million, twenty-one thousand, three hundred twelve".