22010133220 has 24 divisors (see below), whose sum is σ = 46630322424. Its totient is φ = 8726140416.

The previous prime is 22010133157. The next prime is 22010133253. The reversal of 22010133220 is 2233101022.

It can be written as a sum of positive squares in 4 ways, for example, as 1303498816 + 20706634404 = 36104^2 + 143898^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22010133194 and 22010133203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4867239 + ... + 4871758.

It is an arithmetic number, because the mean of its divisors is an integer number (1942930101).

Almost surely, 2^22010133220 is an apocalyptic number.

22010133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010133220 is an abundant number, since it is smaller than the sum of its proper divisors (24620189204).

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

22010133220 is a wasteful number, since it uses less digits than its factorization.

22010133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9739119 (or 9739117 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22010133220 its reverse (2233101022), we get a palindrome (24243234242).

The spelling of 22010133220 in words is "twenty-two billion, ten million, one hundred thirty-three thousand, two hundred twenty".