22023033312 has 96 divisors (see below), whose sum is σ = 66092544000. Its totient is φ = 6290062848.

The previous prime is 22023033311. The next prime is 22023033341. The reversal of 22023033312 is 21333032022.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×22023033312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023033311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3221514 + ... + 3228342.

It is an arithmetic number, because the mean of its divisors is an integer number (688464000).

Almost surely, 2^22023033312 is an apocalyptic number.

It is an amenable number.

22023033312 is an abundant number, since it is smaller than the sum of its proper divisors (44069510688).

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

22023033312 is a wasteful number, since it uses less digits than its factorization.

22023033312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648 (or 11640 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22023033312 its reverse (21333032022), we get a palindrome (43356065334).

The spelling of 22023033312 in words is "twenty-two billion, twenty-three million, thirty-three thousand, three hundred twelve".