22220031412 has 12 divisors (see below), whose sum is σ = 38977421476. Its totient is φ = 11083625280.

The previous prime is 22220031397. The next prime is 22220031437. The reversal of 22220031412 is 21413002222.

It can be written as a sum of positive squares in 2 ways, for example, as 1196191396 + 21023840016 = 34586^2 + 144996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22220031412.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6595713 + ... + 6599080.

Almost surely, 2^22220031412 is an apocalyptic number.

It is an amenable number.

22220031412 is a deficient number, since it is larger than the sum of its proper divisors (16757390064).

22220031412 is a wasteful number, since it uses less digits than its factorization.

22220031412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13195218 (or 13195216 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22220031412 its reverse (21413002222), we get a palindrome (43633033634).

The spelling of 22220031412 in words is "twenty-two billion, two hundred twenty million, thirty-one thousand, four hundred twelve".