22210123320 has 512 divisors, whose sum is σ = 92669184000. Its totient is φ = 4596756480.

The previous prime is 22210123319. The next prime is 22210123337. The reversal of 22210123320 is 2332101222.

22210123320 is a `hidden beast` number, since 2 + 221 + 0 + 123 + 320 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22210123293 and 22210123302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 34012114 + ... + 34012766.

It is an arithmetic number, because the mean of its divisors is an integer number (180994500).

Almost surely, 2^22210123320 is an apocalyptic number.

22210123320 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 22210123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46334592000).

22210123320 is an abundant number, since it is smaller than the sum of its proper divisors (70459060680).

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

22210123320 is a wasteful number, since it uses less digits than its factorization.

22210123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22210123320 its reverse (2332101222), we get a palindrome (24542224542).

It can be divided in two parts, 22210 and 123320, that added together give a triangular number (145530 = T₅₃₉).

The spelling of 22210123320 in words is "twenty-two billion, two hundred ten million, one hundred twenty-three thousand, three hundred twenty".