22032300312 has 96 divisors (see below), whose sum is σ = 66854857680. Its totient is φ = 6496001280.

The previous prime is 22032300299. The next prime is 22032300331. The reversal of 22032300312 is 21300323022.

It is a happy number.

22032300312 is a `hidden beast` number, since 2 + 20 + 32 + 300 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346623 + ... + 405230.

Almost surely, 2^22032300312 is an apocalyptic number.

22032300312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22032300312 is an abundant number, since it is smaller than the sum of its proper divisors (44822557368).

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

22032300312 is a wasteful number, since it uses less digits than its factorization.

22032300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751913 (or 751906 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22032300312 its reverse (21300323022), we get a palindrome (43332623334).

The spelling of 22032300312 in words is "twenty-two billion, thirty-two million, three hundred thousand, three hundred twelve".