22211010220 has 48 divisors (see below), whose sum is σ = 53541331200. Its totient is φ = 7581645504.

The previous prime is 22211010193. The next prime is 22211010223. The reversal of 22211010220 is 2201011222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22211010220.

It is not an unprimeable number, because it can be changed into a prime (22211010223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317670 + ... + 381229.

It is an arithmetic number, because the mean of its divisors is an integer number (1115444400).

Almost surely, 2^22211010220 is an apocalyptic number.

22211010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211010220 is an abundant number, since it is smaller than the sum of its proper divisors (31330320980).

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

22211010220 is a wasteful number, since it uses less digits than its factorization.

22211010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699142 (or 699140 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22211010220 its reverse (2201011222), we get a palindrome (24412021442).

The spelling of 22211010220 in words is "twenty-two billion, two hundred eleven million, ten thousand, two hundred twenty".