22021213322 has 32 divisors (see below), whose sum is σ = 33742472400. Its totient is φ = 10777052160.

The previous prime is 22021213301. The next prime is 22021213327. The reversal of 22021213322 is 22331212022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4692387001 + 17328826321 = 68501^2 + 131639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22021213294 and 22021213303.

It is not an unprimeable number, because it can be changed into a prime (22021213327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6093188 + ... + 6096800.

Almost surely, 2^22021213322 is an apocalyptic number.

22021213322 is a deficient number, since it is larger than the sum of its proper divisors (11721259078).

22021213322 is a wasteful number, since it uses less digits than its factorization.

22021213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22021213322 its reverse (22331212022), we get a palindrome (44352425344).

The spelling of 22021213322 in words is "twenty-two billion, twenty-one million, two hundred thirteen thousand, three hundred twenty-two".