22012021330 has 16 divisors (see below), whose sum is σ = 42669456984. Its totient is φ = 8127515520.

The previous prime is 22012021327. The next prime is 22012021333. The reversal of 22012021330 is 3312021022.

It is an interprime number because it is at equal distance from previous prime (22012021327) and next prime (22012021333).

It can be written as a sum of positive squares in 4 ways, for example, as 19106703529 + 2905317801 = 138227^2 + 53901^2 .

It is not an unprimeable number, because it can be changed into a prime (22012021333) 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 7 ways as a sum of consecutive naturals, for example, 84661491 + ... + 84661750.

Almost surely, 2^22012021330 is an apocalyptic number.

22012021330 is a deficient number, since it is larger than the sum of its proper divisors (20657435654).

22012021330 is a wasteful number, since it uses less digits than its factorization.

22012021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169323261.

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

Adding to 22012021330 its reverse (3312021022), we get a palindrome (25324042352).

The spelling of 22012021330 in words is "twenty-two billion, twelve million, twenty-one thousand, three hundred thirty".