22220021330 has 16 divisors (see below), whose sum is σ = 43072656984. Its totient is φ = 8204315520.

The previous prime is 22220021323. The next prime is 22220021393. The reversal of 22220021330 is 3312002222.

It can be written as a sum of positive squares in 4 ways, for example, as 16198416529 + 6021604801 = 127273^2 + 77599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22220021299 and 22220021308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85461491 + ... + 85461750.

Almost surely, 2^22220021330 is an apocalyptic number.

22220021330 is a deficient number, since it is larger than the sum of its proper divisors (20852635654).

22220021330 is a wasteful number, since it uses less digits than its factorization.

22220021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170923261.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22220021330 its reverse (3312002222), we get a palindrome (25532023552).

The spelling of 22220021330 in words is "twenty-two billion, two hundred twenty million, twenty-one thousand, three hundred thirty".