22320021300 has 72 divisors (see below), whose sum is σ = 64620988992. Its totient is φ = 5948160000.

The previous prime is 22320021257. The next prime is 22320021323. The reversal of 22320021300 is 312002322.

It is a super-3 number, since 3×22320021300³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22320021300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457065 + ... + 503535.

It is an arithmetic number, because the mean of its divisors is an integer number (897513736).

Almost surely, 2^22320021300 is an apocalyptic number.

22320021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22320021300 is an abundant number, since it is smaller than the sum of its proper divisors (42300967692).

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

22320021300 is a wasteful number, since it uses less digits than its factorization.

22320021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48089 (or 48082 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22320021300 its reverse (312002322), we get a palindrome (22632023622).

The spelling of 22320021300 in words is "twenty-two billion, three hundred twenty million, twenty-one thousand, three hundred".