22102313220 has 144 divisors (see below), whose sum is σ = 75340242432. Its totient is φ = 5204010240.

The previous prime is 22102313209. The next prime is 22102313221. The reversal of 22102313220 is 2231320122.

22102313220 is a `hidden beast` number, since 2 + 210 + 231 + 3 + 220 = 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 = 22102313193 and 22102313202.

It is not an unprimeable number, because it can be changed into a prime (22102313221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151516 + ... + 259155.

It is an arithmetic number, because the mean of its divisors is an integer number (523196128).

Almost surely, 2^22102313220 is an apocalyptic number.

22102313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102313220 is an abundant number, since it is smaller than the sum of its proper divisors (53237929212).

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

22102313220 is a wasteful number, since it uses less digits than its factorization.

22102313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410722 (or 410717 counting only the distinct ones).

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

Adding to 22102313220 its reverse (2231320122), we get a palindrome (24333633342).

The spelling of 22102313220 in words is "twenty-two billion, one hundred two million, three hundred thirteen thousand, two hundred twenty".