22212213020 has 24 divisors (see below), whose sum is σ = 48254119200. Its totient is φ = 8578509632.

The previous prime is 22212212983. The next prime is 22212213059. The reversal of 22212213020 is 2031221222.

It is a self number, because there is not a number n which added to its sum of digits gives 22212213020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19147880 + ... + 19149039.

It is an arithmetic number, because the mean of its divisors is an integer number (2010588300).

Almost surely, 2^22212213020 is an apocalyptic number.

22212213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212213020 is an abundant number, since it is smaller than the sum of its proper divisors (26041906180).

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

22212213020 is a wasteful number, since it uses less digits than its factorization.

22212213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38296957 (or 38296955 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22212213020 its reverse (2031221222), we get a palindrome (24243434242).

The spelling of 22212213020 in words is "twenty-two billion, two hundred twelve million, two hundred thirteen thousand, twenty".