22222010212 has 12 divisors (see below), whose sum is σ = 39325468140. Its totient is φ = 10986162176.

The previous prime is 22222010159. The next prime is 22222010221. The reversal of 22222010212 is 21201022222.

It can be written as a sum of positive squares in 2 ways, for example, as 6442630756 + 15779379456 = 80266^2 + 125616^2 .

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, 31210333 + ... + 31211044.

It is an arithmetic number, because the mean of its divisors is an integer number (3277122345).

Almost surely, 2^22222010212 is an apocalyptic number.

It is an amenable number.

22222010212 is a deficient number, since it is larger than the sum of its proper divisors (17103457928).

22222010212 is a wasteful number, since it uses less digits than its factorization.

22222010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62421470 (or 62421468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22222010212 its reverse (21201022222), we get a palindrome (43423032434).

It can be divided in two parts, 22222010 and 212, that added together give a palindrome (22222222).

The spelling of 22222010212 in words is "twenty-two billion, two hundred twenty-two million, ten thousand, two hundred twelve".