22272322500 has 360 divisors, whose sum is σ = 75528573120. Its totient is φ = 5514912000.

The previous prime is 22272322463. The next prime is 22272322543. The reversal of 22272322500 is 522327222.

22272322500 is a `hidden beast` number, since 22 + 272 + 322 + 50 + 0 = 666.

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 119 ways as a sum of consecutive naturals, for example, 22657009 + ... + 22657991.

It is an arithmetic number, because the mean of its divisors is an integer number (209801592).

Almost surely, 2^22272322500 is an apocalyptic number.

22272322500 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 22272322500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37764286560).

22272322500 is an abundant number, since it is smaller than the sum of its proper divisors (53256250620).

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

22272322500 is a wasteful number, since it uses less digits than its factorization.

22272322500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

Adding to 22272322500 its reverse (522327222), we get a palindrome (22794649722).

The spelling of 22272322500 in words is "twenty-two billion, two hundred seventy-two million, three hundred twenty-two thousand, five hundred".