22320320100 has 216 divisors, whose sum is σ = 72974204352. Its totient is φ = 5255078400.

The previous prime is 22320320089. The next prime is 22320320219. The reversal of 22320320100 is 102302322.

It is a super-3 number, since 3×22320320100³ (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 22320320100.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1156530 + ... + 1175670.

Almost surely, 2^22320320100 is an apocalyptic number.

22320320100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22320320100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36487102176).

22320320100 is an abundant number, since it is smaller than the sum of its proper divisors (50653884252).

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

22320320100 is a wasteful number, since it uses less digits than its factorization.

22320320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19207 (or 19187 counting only the distinct ones).

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

Adding to 22320320100 its reverse (102302322), we get a palindrome (22422622422).

The spelling of 22320320100 in words is "twenty-two billion, three hundred twenty million, three hundred twenty thousand, one hundred".