22220320210 has 48 divisors (see below), whose sum is σ = 43985469528. Its totient is φ = 8076020480.

The previous prime is 22220320201. The next prime is 22220320211. The reversal of 22220320210 is 1202302222.

It can be written as a sum of positive squares in 4 ways, for example, as 7846947889 + 14373372321 = 88583^2 + 119889^2 .

It is not an unprimeable number, because it can be changed into a prime (22220320211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3429534 + ... + 3436006.

Almost surely, 2^22220320210 is an apocalyptic number.

22220320210 is a deficient number, since it is larger than the sum of its proper divisors (21765149318).

22220320210 is a wasteful number, since it uses less digits than its factorization.

22220320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9339 (or 9328 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22220320210 its reverse (1202302222), we get a palindrome (23422622432).

The spelling of 22220320210 in words is "twenty-two billion, two hundred twenty million, three hundred twenty thousand, two hundred ten".